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Application of tumor hypoxic microenvironment targeting traditional Chinese medicinal small-molecular composition in tumor treatment

A technology of tumor treatment and microenvironment, applied in the field of tumor treatment, can solve the problem that the cause of tumor is not completely clear, and achieve good effect of tumor prevention and treatment

Inactive Publication Date: 2017-01-04
HENAN UNIVERSITY
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Problems solved by technology

[0002] Tumor is a major disease that seriously endangers human health. Although traditional treatment methods such as surgery, chemotherapy and radiotherapy have greatly improved the control of early tumors, due to the concealment of early tumor symptoms, most malignant tumors are in the middle stage when they are discovered. In the advanced stage, and the etiology of tumor occurrence is not completely clear, it is still an important task for tumor research to further explore the cause of tumor occurrence and discover new therapeutic drugs

Method used

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Embodiment Construction

[0011] In this protocol, the application of a small molecule combination of traditional Chinese medicine targeting the tumor hypoxic microenvironment in the treatment of tumors includes the following steps in sequence:

[0012] a) Human lung cancer A549 cells in logarithmic growth phase 5×10 3 Each well was inoculated in a 96-well plate, and after 24 hours of culture, the constructed hypoxia-inducible factor 1α promoter-coupled luciferase expression plasmid was transfected to A549 cells using Lipofectamine2000 to establish a regulator for screening tumor hypoxia-inducible factor 1α After the cells were cultured for 12 hours, 10 μmol / L of the screening compound drug was added, and they were transferred to a hypoxic environment for 24 hours; the culture supernatant was aspirated, centrifuged at 1500 rpm for 10 min, and the VEGF in the culture supernatant was detected with a VEGF ELISA kit Content, add fluorescein diluted in phosphate-buffered saline solution to the cells, and us...

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Abstract

The invention provides an application of a tumor hypoxic microenvironment targeting traditional Chinese medicinal small-molecular composition in tumor treatment. Tumor hypoxic microenvironment targeting traditional Chinese medicinal small molecules are screened by taking a tumor hypoxia-inducible factor 1[alpha] and a downstream VEGF (vascular endothelial growth factor) thereof as targets, and the traditional Chinese medicinal small molecules are combined into the composition for conducting tumor prevention and tumor treatment researches; based upon screening, it discovers that berberine, cinnamaldehyde, gingerol, evodiamine and notoginsenoside are relatively good in effects on regulating the tumor hypoxia-inducible factor 1[alpha] and the VEGF, and it further proves that the composition of the berberine, the cinnamaldehyde, the gingerol, the evodiamine and the notoginsenoside at the ratio of 8 to 1 to 1 to 1 to 1 to 1 achieves an optimum effect on regulating the hypoxia-inducible factor 1[alpha] and the VEGF and the composition has a good tumor prevention and treatment effect.

Description

technical field [0001] The invention belongs to the technical field of tumor treatment, and in particular relates to the application of a small molecule combination of traditional Chinese medicines targeting the hypoxic microenvironment of tumors in tumor treatment. Background technique [0002] Tumor is a major disease that seriously endangers human health. Although traditional treatment methods such as surgery, chemotherapy and radiotherapy have greatly improved the control of early tumors, due to the concealment of early tumor symptoms, most malignant tumors are in the middle stage when they are discovered. In the advanced stage, and the etiology of tumor occurrence is not completely clear at present, it is still an important task for tumor research to further explore the cause of tumor occurrence and discover new therapeutic drugs. Hypoxia is a typical feature of solid tumors. Hypoxic microenvironment is beneficial for tumor cells to resist apoptosis and gene heterogene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K31/704A61K31/11A61K31/12A61K31/519A61K31/4375A61P35/00
Inventor 杜钢军段永健林海红杜振华杜庆涛耿胜男张厚云孟明静郑亚秋姚静静
Owner HENAN UNIVERSITY
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