CN107496547A - One kind suppresses the garden burnet crude extract and preparation method of classical Wnt/β catenin paths - Google Patents

One kind suppresses the garden burnet crude extract and preparation method of classical Wnt/β catenin paths Download PDF

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Publication number
CN107496547A
CN107496547A CN201710873122.5A CN201710873122A CN107496547A CN 107496547 A CN107496547 A CN 107496547A CN 201710873122 A CN201710873122 A CN 201710873122A CN 107496547 A CN107496547 A CN 107496547A
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garden burnet
crude extract
catenin
preparation
wnt
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CN201710873122.5A
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Inventor
姚美村
袁月梅
李娃
刘梦萍
戴聪
张唯佳
吴娟
彭昶
陈缵光
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Sun Yat Sen University
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Sun Yat Sen University
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/73Rosaceae (Rose family), e.g. strawberry, chokeberry, blackberry, pear or firethorn
    • A61K36/739Sanguisorba (burnet)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2236/00Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine
    • A61K2236/10Preparation or pretreatment of starting material
    • A61K2236/15Preparation or pretreatment of starting material involving mechanical treatment, e.g. chopping up, cutting or grinding
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2236/00Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine
    • A61K2236/30Extraction of the material
    • A61K2236/33Extraction of the material involving extraction with hydrophilic solvents, e.g. lower alcohols, esters or ketones
    • A61K2236/331Extraction of the material involving extraction with hydrophilic solvents, e.g. lower alcohols, esters or ketones using water, e.g. cold water, infusion, tea, steam distillation or decoction
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2236/00Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine
    • A61K2236/30Extraction of the material
    • A61K2236/39Complex extraction schemes, e.g. fractionation or repeated extraction steps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2236/00Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine
    • A61K2236/50Methods involving additional extraction steps
    • A61K2236/55Liquid-liquid separation; Phase separation

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  • Health & Medical Sciences (AREA)
  • Natural Medicines & Medicinal Plants (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Alternative & Traditional Medicine (AREA)
  • Biotechnology (AREA)
  • Botany (AREA)
  • Medical Informatics (AREA)
  • Medicinal Chemistry (AREA)
  • Microbiology (AREA)
  • Mycology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medicines Containing Plant Substances (AREA)

Abstract

The invention discloses a kind of garden burnet crude extract and preparation method for suppressing classical Wnt/β catenin paths.The present invention relates to the preparation method for being used to suppress the garden burnet crude extract of Wnt paths, including pulverizing medicinal materials sieving, water to extract, the operations such as macroporous absorbent resin isolates and purifies.The garden burnet crude extract is through isolating and purifying, corresponding solution is made after freeze-drying, using construct stable transfection TCF response elements Wnt/ β catenin channel fluorescence element enzyme Reporter Systems 3T3 cells as experimental subjects, screening is tracked to the activity of crude extract.Crude extract of the present invention is 40% alcohol elution obtained through macroporous resin purification, and relative to water extract, active component is enriched with, notable to classical Wnt path inhibitory action, contributes to the quality control and subsequent product exploitation of garden burnet.

Description

One kind suppresses the garden burnet crude extract and preparation method of classical Wnt/β-catenin paths
Technical field
The present invention relates to the active component field of Chinese medicine, and in particular to Chinese medicine garden burnet crude extract suppress classical Wnt/ β- The active component and preparation method of catenin paths.
Background technology
Garden burnet is one of China's traditional Chinese medicine, is used as medicine for rose family garden burnet platymiscium with dry root, rich in tannin, soap The active skull cap components such as glycosides, flavonoids, in antimicrobial antiphlogistic, hemostasis antidiarrheal and anticancer etc. suffer from clear and definite drug effect and made With, and there is good preventive and therapeutic effect for body leucocyte decline caused by carcinosis radiotherapy and chemotherapy, clinically obtain wide General application.
Classical Wnt/ β-catenin paths are that biology is maintaining to grow, and tissue homeostasis etc. is vital Signal path, the generation of its unconventionality expression and kinds cancer, development and invasion and attack transfer are closely related, therefore find the path Effective inhibitor turn into one of effective means for the treatment of kinds cancer at present.It is from many document reports it can be found that existing more Individual single compound plays inhibitory action in different phase to Wnt paths, as XAV939 is selected by suppressing tankyrase1/2 Property suppress the transcription of Wnt paths mediation, ICG-001 can antagonism Wnt/ β-catenin/TCF mediations transcription.And Relative to micromolecular compound, Chinese medical extract has multicomponent feature, theoretically can be from different links, different targets Point separately or concurrently acts on Wnt/ β-catenin paths, and dosage is less, and toxicity is lower, more advantageous.
The content of the invention
In view of the above-mentioned problems, the invention provides a kind of garden burnet crude extract for suppressing classical Wnt/β-catenin paths and Preparation method.Extraction separation is carried out to garden burnet powder, these crude extracts carried out further according to luciferase reporter gene experiment Screening active ingredients, the inactive material in crude extract is reduced in the case of retaining active ingredient as far as possible.
The technical solution adopted in the present invention is:
1. the preparation of garden burnet entirety crude extract:First medicine materical crude slice is dried to garden burnet to pulverize and sieve, entered with 8-12 times of solvent Row refluxing extraction, reflux temperature is between 70 DEG C -90 DEG C, reflow's cycle 1-3 times, filters merging filtrate, and revolving recycling design is .
2. garden burnet crosses the preparation at macroporous resin column difference graded ethanol elution position:Garden burnet dried powder is dissolved with suitable quantity of water Afterwards, it is splined on D101 macroporous absorbent resins, and different proportion alcohol-water volume ratio (0: 100, (40-50): (60-50), 90: 10) 3-4 column volume is eluted successively, is collected eluent recovery organic solvent, is freeze-dried and produces.
3. each crude extract of garden burnet suppresses the Activity determination of Wnt/ β-catenin paths:Each crude extract is made into one with ultra-pure water Determine the solution of concentration, the filtering with microporous membrane with 0.22 μm is degerming in an aseptic environment, will be thin using 3T3 cells as experimental subjects Born of the same parents are inoculated in the adherent 24h of 96 orifice plates, and different pharmaceutical is handled into cell 24h with series concentration, and medicine is detected to cell using mtt assay Toxic action.
In the range of 20% cytotoxic concentration, drug-treated cell 24h, examined using Steady-Glo@Assay reagents Survey the intensity of variation of Wnt paths.
The beneficial effects of the invention are as follows:Searched out in the inventive method has in strong inhibition effect to Wnt paths Medicine Radix Sangusorbae extract, and more than 50% active substance is eliminated using macroporous absorbent resin during isolating and purifying, have Beneficial to the quality control of Chinese medical extract.
Brief description of the drawings
Fig. 1 is:Garden burnet entirety water extract to 3T3 cytotoxic effects (Figure 1A), and wnt3a stimulants effect under Inhibitory activity (Figure 1B) of the elm entirety water extract to Wnt paths.
Fig. 2 is:Garden burnet crosses macroporous resin column alcohol-water volume ratio 0/100 and elutes position to 3T3 cytotoxic effects (figure 2C), to the inhibitory activity (Fig. 2 D) of Wnt paths and under the effect of wnt3a stimulants.
Fig. 3 is:Garden burnet crosses macroporous resin column alcohol-water volume ratio 40/60 and elutes position to 3T3 cytotoxic effects (figure 3E), to the inhibitory activity (Fig. 3 F) of Wnt paths and under the effect of wnt3a stimulants.
Fig. 4 is:Garden burnet crosses macroporous resin column alcohol-water volume ratio 90/10 and elutes position to 3T3 cytotoxic effects (figure 4G), to the inhibitory activity (Fig. 4 H) of Wnt paths and under the effect of wnt3a stimulants.
Fig. 5 is:Garden burnet crosses the elution of macroporous resin column alcohol-water volume ratio 40/60 position and prepares gained sample in triplicate HPLC chromatogram.
Embodiment
Embodiment 1
1. prepared by garden burnet entirety water extract:
Garden burnet dried powder (crossing 60 mesh sieves) 30g is taken to add 300ml 80 DEG C of distilled water water-bath to be heated to reflux 3 times, each 1h, Merging filtrate is filtered, rotates to paste and calculating yield 41.4% is collected after being freeze-dried.
2. garden burnet crosses the preparation at macroporous resin column ethanol gradient elution position:
Garden burnet entirety water extract 2.0g is taken to be used with D101 macroporous absorbent resins are splined on after distilled water ultrasonic dissolution 30min The ratio that alcohol-water volume ratio is 0/100,40/60,90/10 elutes 4 column volumes successively, after gained eluent reclaims ethanol Freeze-drying, volume ratio is 40% alcohol elution yield 48.46%.
3. garden burnet crosses the HPLC analyses that macroporous resin column alcohol-water volume ratio 40/60 elutes position:
It is 40% ethanol elution to prepare garden burnet to cross macropore resin column product ratio according to the 2nd step experimental method 3 repeated experiments Position yield is respectively 45.56%, 48.46%, 45.17%.It is made into 10mg/ml solution with ultra-pure water, 10ul sampling volumes, HPLC is detected.
Liquid-phase condition:A:0.2% formic acid water B:Methanol
Elution program:0-2min (2%B);2-5min (5%B);5-10min (12%B);10-15min (20%B);15- 35min (30%B);35-50min (45%B);50-60min (60%B);60-70min (70%B);70-75min (80% B);75-80min (40%B);80-85min (5%B)
4. Drug inhibition Wnt pathway activities detect:
A. cell culture:3T3 cells, cultivated in containing 10% serum DMEM culture mediums, and it is dense to be positioned over carbonated Degree 5%, temperature are in 37 DEG C of incubator.
B. passage:When cell density length to 70%-80%, culture medium is sucked, is washed 2 times with sterile PBS, is used 0.25% pancreatin digestion 1min or so, adds 2ml serum-containing media and terminates digestion, centrifuge 3min under 1000rpm, discard Culture medium, continue to cultivate in 10% serum DMEM culture mediums.
C. plating cells:Cell is resuspended after pancreatin digests with culture medium, with cell counting count board meter after dilution certain multiple Number, by 2x104Individual/hole density is inoculated in 96 orifice plates, and 100ul cell suspension is added per hole.
D. cell administration:Adherent 24h after cell inoculation, the garden burnet crude extract decoction for adding setting concentration continue to cultivate 24h.
E. cytotoxicity detects:Culture medium is discarded after cell administration 24h, adds 20ul 5mg/ per hole under the conditions of lucifuge Ml MTT decoctions 4h in incubator, the DMSO for sucking decoction addition 150ul per hole is taken out after 10min is shaken on shaking table, Absorbance is detected under 570nm wavelength, calculates cell survival rate.
F. the detection of Wnt pathway activities is suppressed:Abandoned after cell administration 24h under the conditions of the wnt3a stimulants containing 100ng/ml Remove culture medium, washed 1 time with PBS, the Steady-Glo@Assay reagents that mix in advance of 30ul are added per hole, at room temperature in 10min is shaken on shaking table, by Steady-Glo@Assay agent transfers into blank, in multi-function microplate reader The activity of luciferase is determined under luminescence measurement functions.
5. data analysis:
The data obtained imports GraphPad Prism5 and analyzed.
6. experimental result:
A. garden burnet entirety water extract has obvious inhibition (figure in the range of 20% cytotoxicity to Wnt paths 1)。
B. garden burnet separates through large pore resin absorption column, and pure water elution position does not have inhibitory activity (Fig. 2) to Wnt paths.
C. garden burnet separates through large pore resin absorption column, the suppression of the elution position of alcohol-water volume ratio 40/60 to Wnt paths Make active (Fig. 3) suitable with overall water extract.
D. garden burnet separates through large pore resin absorption column, and the elution position of alcohol-water volume ratio 90/10 does not have to Wnt paths Obvious inhibitory activity (Fig. 4).
E. garden burnet separates through large pore resin absorption column, the chromatograms explanation at the elution position of alcohol-water volume ratio 40/60 The site component obtained by the preparation method that the present invention uses is more or less the same, and has repeated (Fig. 5).

Claims (6)

1. one kind suppresses the garden burnet crude extract and preparation method of classical Wnt/β-catenin paths, it is characterised in that:Garden burnet slightly carries Thing includes the garden burnet prepared slices of Chinese crude drugs after pulverizing and sieving, and is extracted with the solvent of certain volume, and isolated and purified through macroreticular resin Sample afterwards.
2. a kind of garden burnet crude extract and preparation method for suppressing classical Wnt/β-catenin paths according to claim 1, It is characterized in that:After garden burnet medicine materical crude slice pulverizes and sieves, to carry out refluxing extraction relative to the solvent of 8-12 times of the multiple of quality grams.
3. a kind of garden burnet crude extract and preparation method for suppressing classical Wnt/β-catenin paths according to claim 2, It is characterized in that:The solvent of refluxing extraction is distilled water, and for refluxing extraction temperature at 70 DEG C -90 DEG C, reflow's cycle is 1-3 times, should Step extraction yield control is in 40%-50%.
4. a kind of garden burnet crude extract and preparation method for suppressing classical Wnt/β-catenin paths according to claim 1, It is characterized in that:When macroporous absorbent resin further isolates and purifies to garden burnet crude extract, macroreticular resin model D101, elute molten Agent is the alcohol-water of different proportion.
5. a kind of garden burnet crude extract and preparation method for suppressing classical Wnt/β-catenin paths according to claim 4, It is characterized in that:The volume ratio of the ratio ethanol/water of eluting solvent is 0/100 during macroreticular resin elution samples, (40-50)/ (60-50), 90/10, gradient elution, the elution volume of each gradient is 3-5 column volume.
6. a kind of garden burnet crude extract and preparation method for suppressing classical Wnt/β-catenin paths according to claim 5, It is characterized in that:Each position yield obtained during macroreticular resin gradient elution is controlled in 40%- for the yield of 0/100 gradient The yield control of 45%, (40-50)/(60-50) gradient is controlled in 2%-5% in 45%-49%, the yield of 90/10 gradient.
CN201710873122.5A 2017-09-15 2017-09-15 One kind suppresses the garden burnet crude extract and preparation method of classical Wnt/β catenin paths Pending CN107496547A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110882315A (en) * 2019-12-18 2020-03-17 哈尔滨医科大学 Sanguisorba officinalis extract for preventing colon cancer and preparation method and application thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030044478A1 (en) * 2001-08-15 2003-03-06 Epstein Howard A. Burnet extract
CN101862385A (en) * 2009-04-20 2010-10-20 成都地奥制药集团有限公司 Sanguisorba saponins and preparation method of sanguisorbin I

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030044478A1 (en) * 2001-08-15 2003-03-06 Epstein Howard A. Burnet extract
CN101862385A (en) * 2009-04-20 2010-10-20 成都地奥制药集团有限公司 Sanguisorba saponins and preparation method of sanguisorbin I

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王振飞等: "地榆水提液对四种癌细胞生长抑制作用的研究", 《时珍国医国药》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110882315A (en) * 2019-12-18 2020-03-17 哈尔滨医科大学 Sanguisorba officinalis extract for preventing colon cancer and preparation method and application thereof

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Application publication date: 20171222