CN103006679A - Application of active component baicalin of Qingkailing compound in preparation of medicines resisting multiple drug-resistance bacteria - Google Patents

Application of active component baicalin of Qingkailing compound in preparation of medicines resisting multiple drug-resistance bacteria Download PDF

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CN103006679A
CN103006679A CN201210550179.9A CN201210550179A CN103006679A CN 103006679 A CN103006679 A CN 103006679A CN 201210550179 A CN201210550179 A CN 201210550179A CN 103006679 A CN103006679 A CN 103006679A
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baicalin
preparation
application
medicine
ndm
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CN103006679B (en
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刘军锋
袁静
张状年
黄留玉
李东
王雪松
姜海
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HEBEI SHINEWAY PHARMACEUTICAL CO Ltd
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HEBEI SHINEWAY PHARMACEUTICAL CO Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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Abstract

The invention relates to an active component baicalin of a Qingkailing compound, which has an inhibiting effect on acinetobacter calcoaceticus, acinetobacter baumannii, A.baumannii, stenotrophomonas maltophilia and escherichia coli containing NDM-1 drug resistance gene, so that the active component baicalin can be used for inhibiting these bacterial diseases and treating and/or preventing diseases caused by these bacteria.

Description

The application of QINGKAILING active component baicalin in the medicine of the anti-multi-drug resistant bacteria of preparation
Technical field
The present invention relates to a kind of new medical usage of baicalin, specifically prepare application in the anti-multi-drug resistant bacteria medicine at baicalin.
Background technology
Multi-drug resistant bacteria (multiple resistant bacteria) refers to the pathogen of multi-drug resistant, i.e. a kind of microorganism is to three classes (such as aminoglycoside, erythromycin, beta-lactam class) or drug resistance of above antibiotic while of three classes.Wherein the most common is Acinetobacter bauamnnii and the Pseudomonas aeruginosa that occurs among NDM-1, MDR-TB, MDR-MRSA and the ICU that is everlasting.NDM-1(New Delhi metallo-β-lactamase-1, the New Delhi metallo-β-lactamase), have another name called the NDM-1 antibacterial, be a kind of enzyme of Carbapenem-resistant class.The NDM-1 gene is often carried by plasmid, but also is incorporated on the chromosome of antibacterial, is easy to propagate between different bacterial strains and diffusion, and the protein monomer molecular weight of NDM-1 coding is 28kDa, and the sequence similarity of its sequence and other MBL is very low.NDM-1 mainly is distributed in enterobacteriaceae and the Acinetobacter bauamnnii, and the antibacterial of carrying NDM-1 not only comprises conditioned pathogen, also comprises pathogenic bacterium, such as common shigella, cholera, pseudomonas aeruginosa etc.It has the height drug resistance, almost can be hydrolyzed clinical line antibacterials commonly used, comprises beta-lactam, carbapenems, fluoroquinolones, aminoglycoside etc.For a long time, the abuse of antibiotic medicine is the major reason that expedites the emergence of multi-drug resistant bacteria.At present, multi-drug resistant bacteria infects and presents growth trend, but the Antimicrobial drug choice scheme seldom, and therefore heavy drug-fast bacteria infection has become global thorny problem.
Baicalin (the extract of the dry root of labiate Radix Scutellariae Scutellaria baicalensis Georgi, pressing dry product calculates, contain baicalin (C21H18O11) injection and must not be less than 90.0%) be the primary raw material medicine of heat-clearing and toxic substances removing herbal mixture QINKAILING ZHUSHEYE, have the effects such as antibacterial, diuresis, function of gallbladder promoting, antiinflammatory, resistance attitude, spasmolytic, the clinical hepatitis that is used for the treatment of all has obvious curative effects to acute icteric, acute non-icteric type and chronic hepatitis.The how better medical efficacy of R and D baicalin is one of the important subject in many Chinese medicine and pharmacies field.
Summary of the invention
Purpose of the present invention is exactly to develop the novel medical use of baicalin, provides a kind of effectively medicine of antagonism multi-drug resistant bacteria for clinical simultaneously.
The present inventor finds that through studying for a long period of time baicalin has significantly inhibitory action to containing NDM-1 drug resistant gene antibacterial, and be directly proportional with drug level, thereby invented a kind of new medical usage of baicalin, namely finished the application of baicalin in the anti-multi-drug resistant bacteria medicine of preparation.
Baicalin described in the present invention can be buied from crude drug commercial distribution channel.
The baicalin raw material can be prepared into the pharmaceutical preparatioies such as granule, electuary, injection, capsule, tablet according to the described method of prior art.
Multi-drug resistant bacteria described in the present invention refers to contain the multi-drug resistant bacteria of NMD-1 gene, comprise acinetobacter calcoaceticus (Acinetobacter calcoaceticus), Acinetobacter bauamnnii (Acinetobacter baumannii, A.baumannii), have a liking for the narrow food Zymomonas mobilis of Fructus Hordei Germinatus oligotrophy (Stenotrophomonas maltophilia) or contain NDM-1 drug resistant gene escherichia coli (Escherichia coli).
It is gram negative bacteria that the above-mentioned NDM-1 of containing drug resistant gene detects bacterial strain, has stronger pathogenic and antibiotic resistance.Wherein, acinetobacter calcoaceticus and Acinetobacter bauamnnii can cause pulmonary infection, wound and skin infection, urogenital infections, bacteremia bacteremia, meningitis etc., the narrow food Zymomonas mobilis of Fructus Hordei Germinatus oligotrophy can cause serious respiratory system infection etc., contains NDM-1 drug resistant gene escherichia coli and can cause to intestinal infection and to antibiotic and have Drug resistance.
Further, the present invention also provides the application of baicalin in the anti-acinetobacter calcoaceticus medicine of preparation, and namely baicalin treats and/or prevents application in the medicine of the disease that acinetobacter calcoaceticus causes in preparation.
Further, the present invention also provides the application of baicalin in the anti-Acinetobacter bauamnnii medicine of preparation, and namely baicalin treats and/or prevents application in the medicine of the disease that Acinetobacter bauamnnii causes in preparation.
Further, the present invention also provides baicalin in the anti-application of having a liking in the narrow food Zymomonas mobilis of the Fructus Hordei Germinatus oligotrophy medicine of preparation, and namely baicalin treats and/or prevents application in the medicine of having a liking for the microbial disease of the narrow food unit cell of Fructus Hordei Germinatus oligotrophy in preparation.
Further, the present invention also provides baicalin in the anti-application that contains in the NDM-1 drug resistant gene antibacterial medicine of preparation, and namely baicalin treats and/or prevents application in the medicine that contains the disease that NDM-1 drug resistant gene escherichia coli cause in preparation.
Baicalin preparation of the present invention can be used for treating above-mentioned disease by containing the initiation of NDM-1 drug resistant gene multidrug resistant antibacterial, as contain intestinal infection, respiratory system infection, wound and skin infection that NDM-1 drug resistant gene multidrug resistant antibacterial causes, urogenital infections, bacteremia bacteremia, meningitis etc., especially be applicable to treat by acinetobacter calcoaceticus, Acinetobacter bauamnnii, have a liking for the narrow food Zymomonas mobilis of Fructus Hordei Germinatus oligotrophy or contain the disease that NDM-1 drug resistant gene escherichia coli cause.
Pharmaceutical preparation of the present invention can be definite according to clinical experiment and patient's concrete condition during its concrete consumption when using as purposes of the present invention, also can be with reference to baicalin preparation 2-5 dosage administration doubly.
Specific embodiments
Further set forth by the following examples the beneficial effect of medicine of the present invention with test example.
Effect test
The detection bacterial strain that this pharmacodynamics test adopts: acinetobacter calcoaceticus (Acinetobacter calcoaceticus, A.calcoaceticus), Acinetobacter bauamnnii (Acinetobacter baumannii, A.baumannii) and have a liking for narrow food Zymomonas mobilis (the Stenotrophomonas maltophilia of Fructus Hordei Germinatus oligotrophy, S.maltophilia), all contain the blaNDM-1 drug resistant gene; PGEX-4T-NDM1-DH5 α is the escherichia coli (Escherichia coli, E.coli) that contain the NDM-1 recombiant plasmid; PGEX-4T-NDM-1-BL21(expresses NDM-1 in e. coli bl21) be the escherichia coli (Escherichia coli, E.coli) that contain the NDM-1 recombiant plasmid, on its plasmid with the GST label.Above-mentioned bacterial strains provides by Diseases Preventing and Controlling Institute.
Test example 1
The baicalin extract is to containing the fungistatic effect research of NDM-1 drug resistant gene antibacterial
The test sample that this pharmacodynamics test adopts: baicalin is commercially available, meets the Chinese Pharmacopoeia standard, need add an amount of water for injection during test, stirs to make suspendible, then slowly adds while stirring 5% sodium hydroxide solution to baicalin and all dissolves.
Preparation LB agar culture medium when high pressure is cooled to 60 ℃, is got the baicalin extract, press the 1:9(medicine: LB, V/V) ratio preparation variable concentrations medicine (0.005g/ml, 0.01g/ml, 0.015g/ml) flat board, agar thickness 3-4mm, the preparation medicine is dull and stereotyped, for subsequent use.
The research baicalin carries out bacteriostatic experiment to containing NDM-1 drug resistant gene antibacterial:
4 strains are contained NDM-1 gene Resistant strain acinetobacter calcoaceticus, Acinetobacter bauamnnii, have a liking for the narrow food Zymomonas mobilis of Fructus Hordei Germinatus oligotrophy and escherichia coli pGEX-4T-NDM1-DH5 α is inoculated in respectively in the LB fluid medium that contains 16 μ g/ml imipenums, 37 ℃, 200rpm overnight incubation, after next day, bacterium liquid diluted 10 times with aseptic PBS buffer, drawing respectively 2 μ l is inoculated in the medicine agar plate surface or adopts the method for scoring inoculation, flat board places 37 ℃ to hatch about 24h, observe each strain growth situation, get the biocidal property measurement result of Fructus Gardeniae extract, see Table 1.
Adopt agar dilution that the minimal inhibitory concentration (MIC) of baicalin extract is measured, Resistant strain is inoculated on the agar plate of different pharmaceutical concentration, hatch about 24h for 37 ℃, observe each strain growth situation, the minimum drug level (MIC value) that the inhibition bacterial strain can not be grown is respectively acinetobacter calcoaceticus 0.015g/ml, Acinetobacter bauamnnii 0.02g/ml, has a liking for the narrow food Zymomonas mobilis of Fructus Hordei Germinatus oligotrophy 0.005g/ml, pGEX-4T-NDM-1-BL21〉0.02g/ml.
Experimental result shows: baicalin all has inhibitory action to Resistant strain, and along with the increase of drug level, inhibitory action obviously strengthens, and illustrate that baicalin has inhibitory action to containing NDM-1 drug resistant gene fastbacteria, and fungistatic effect is obvious; Medicine is different to the antibacterial ability that difference detects bacterial strain, and MIC is difference to some extent also, has the anti-ability that contains NDM-1 drug resistant gene fastbacteria of stronger wide spectrum.
Table 1 baicalin extract concentrations is on the impact of bacterial strain
Figure BDA00002603006300041
Annotate: +++expression does not suppress growth, ++ expression suppresses not obvious, and+expression obviously suppresses, and-expression suppresses fully, does not grow.

Claims (6)

1. the application of baicalin in the medicine of the anti-multi-drug resistant bacteria of preparation.
2. baicalin is in the anti-application that contains in the NDM-1 drug resistant gene antibacterial medicine of preparation.
3. the application of baicalin in the anti-acinetobacter calcoaceticus medicine of preparation.
4. the application of baicalin in the anti-Acinetobacter bauamnnii medicine of preparation.
5. baicalin is in the anti-application of having a liking in the narrow food Zymomonas mobilis of the Fructus Hordei Germinatus oligotrophy medicine of preparation.
6. baicalin is in the anti-application that contains in the NDM-1 drug resistant gene escherichia coli medicine of preparation.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103989693A (en) * 2013-09-18 2014-08-20 吉林大学 Application of scutelloside in preparation of acute hemolytic uremic syndrome treatment drugs
CN104473954A (en) * 2014-11-19 2015-04-01 中国药科大学 Application of baicalin as metal beta-lactamase inhibitor
CN116098914A (en) * 2023-03-21 2023-05-12 青岛农业大学 Composition and medicine for preventing and treating stenotrophomonas maltophilia

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
汪东海等: "黄芩苷消除鲍曼不动杆菌耐药质粒的实验研究", 《中国现代应用药学》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103989693A (en) * 2013-09-18 2014-08-20 吉林大学 Application of scutelloside in preparation of acute hemolytic uremic syndrome treatment drugs
CN103989693B (en) * 2013-09-18 2017-04-12 湖北武当动物药业有限责任公司 Application of scutelloside in preparation of acute hemolytic uremic syndrome treatment drugs
US9629864B2 (en) 2013-09-18 2017-04-25 Hubei Wudang Animal Pharmaceutical Co., Ltd. Use of baicalin in preparation of drugs for treating acute hemolytic uremic syndrome
CN104473954A (en) * 2014-11-19 2015-04-01 中国药科大学 Application of baicalin as metal beta-lactamase inhibitor
CN116098914A (en) * 2023-03-21 2023-05-12 青岛农业大学 Composition and medicine for preventing and treating stenotrophomonas maltophilia
CN116098914B (en) * 2023-03-21 2023-10-24 青岛农业大学 Composition and medicine for preventing and treating stenotrophomonas maltophilia

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