CN107496433A - A kind of biphenyl compound is in the application for preparing oxidative stress and inducing an illness in medicine - Google Patents

A kind of biphenyl compound is in the application for preparing oxidative stress and inducing an illness in medicine Download PDF

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CN107496433A
CN107496433A CN201710735302.7A CN201710735302A CN107496433A CN 107496433 A CN107496433 A CN 107496433A CN 201710735302 A CN201710735302 A CN 201710735302A CN 107496433 A CN107496433 A CN 107496433A
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biphenyl
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tetrahydroxybiphenyls
biphenyl compound
cells
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沈涛
周明星
孙斌
王小宁
任冬梅
娄红祥
徐有伟
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Shandong University
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Abstract

It is in the application for preparing oxidative stress and inducing an illness in medicine, the chemical formula of the biphenyl compound the invention discloses a kind of biphenyl compound:Wherein, R1For H, CH3R2For H, CH3X1For H, Na+、K+Or NH4 +, X2For H, Na+、K+Or NH4 +, X3For H, Na+、K+Or NH4 +.The biphenyl compound can raise Nrf2 and its regulation and control antioxidase γ GCS, II phase detoxification enzyme NQO1 protein levels;Endogenous cellular antioxidant agent GSH levels can be increased, suppress arsenic induction Beas 2B cellular damages and apoptosis;It is horizontal to go out similar cytoprotection increase endogenous cellular antioxidant agent GSH to glomerulus membrane system cell SV40MES13 cells, people nerve SHSY5Y cells, the cells shows of human breast carcinoma MDA MB 231, suppresses arsenic induction Beas 2B cellular damages and apoptosis;Similar cytoprotection is gone out to glomerulus membrane system cell SV40MES13 cells, people nerve SHSY5Y cells, the cells shows of human breast carcinoma MDA MB 231.

Description

A kind of biphenyl compound is in the application for preparing oxidative stress and inducing an illness in medicine
Technical field
The invention belongs to field of medicaments, is related to the application of biphenyl compound, and in particular to prepared by biphenyl compound The application that prevention or treatment oxidative stress induce an illness in medicine or health products.
Background technology
The industrialized fast development of society, causes air, water source, soil, food pollution serious, such as carbon sulphur nitrogen oxides (CO、SO2、NO2Deng), heavy metal (lead, chromium, arsenic etc.), building Mineral Dust formed haze;Water caused by industry and sanitary sewage Source is polluted and soil pollution, and grain contamination caused by entering.These pollutants attack human tissue organ, cause human body to be lived Property oxygen, active nitrogen increase, cause human body nucleotides, albumen, lipid mechanism harm, induce COPD, chronic kidney disease, exhale Inhale the generation of road inflammation, diabetes, nerve degenerative diseases and tumor disease.
Nuclear factor Nrf2 (Nuclear factor-erythroid 2-related factor 2) signal path is Regulate and control the critical path of human body oxidative stress, be the target spot of chemopreventive agent (medicine) effect.Nrf2 is to adjust cellular oxidation also Yuanping City weighing apparatus important transcription factor, by with antioxidase and II phase detoxication enzyme promoter region Antioxidation reaction original papers (ARE) With reference to regulating cell redox equilibrium, II phase detoxication enzyme of its target gene including encoding GST, UGT, NQO1, and γ GCS, The endogenous anti-oxidative albumen such as HO-1.When body is exposed to the environmental pollution of electrophilicity foreign matter, chemical carcinogen equivalent damage body During thing, Nrf2 will activate antioxidase and II phases detoxication enzyme removes noxious pollutant, prevent its infringement to cell tissue, protect Protect harm of the body from environmental contaminants.
Under damage and oxidative stress status caused by pollutant, human body device is raised using exogenous Nrf2 activators Official and tissue Nrf2 are horizontal, can strengthen body self-defense ability, for prevention COPD, chronic kidney disease, Respiratory inflammation, diabetes, the generation of nerve degenerative diseases and tumor disease are significant.Activation Nrf2 signals lead to Road, II phases can be raised and detoxified enzyme level, clearing the pollution off middle carcinogenic substance or reduces its toxicity, suppresses the DNA of carcinogenic substance induction Damage, gene mutation, so as to the generation of pre- preventing tumor.Raise Nrf2 expression, by increasing capacitance it is possible to increase glutathione levels, enhancing Activities of antioxidant enzymes, active oxygen in scavenger-cell, suppress cytolipin peroxidating, reduce COPD, chronic renal The incidence of disease of the diseases such as disease, respiratory inflammation, diabetes, nerve degenerative diseases.
Natural products is the important sources of lead compound, and significant contribution is made that to human medicine development history.Mesh Before, many clinical applications are for natural products or from natural products, such as qinghaosu, taxol, ET743 etc., from natural production The lead compound with preventive and therapeutic action is found in thing, is the important channel of medicament research and development.Wherein, hard leaf Cinnomomum Sps. Extract With Nrf2 agonisms, the potentiality with the medicine that induced an illness as preventing and treating oxidative stress.But contain fat in hard leaf camphor tree Compounds of group, monoterpenes compound, sesquiterpenoids, phenolic acid compound, aromatic compound, biphenyl compound, Naphthane ketone compounds, benzopyrans compounds, Lignanoids compounds, chromogen ketone compounds, flavone compound, The compounds such as flavonoid drugs, flavanone kind composition, the various complexity of its composition, and do not have document in hard leaf camphor tree Chemical composition carry out Activity determination.
The content of the invention
In order to solve the deficiencies in the prior art, an object of the present invention is to provide a kind of biphenyl compound and prepared in advance Anti- or treatment oxidative stress induces an illness the application in medicine or health products, can prevent and treat COPD, Chronic kidney disease, respiratory inflammation, diabetes, nerve degenerative diseases and tumor disease.
To achieve these goals, the technical scheme is that:
A kind of application of biphenyl compound in preparation prevention or treatment oxidative stress induce an illness medicine or health products, The chemical formula of the biphenyl compound is:
Wherein, R1For-H ,-CH3R2For-H ,-CH3X1For Na+、K+Or NH4 +, X2For Na+、K+Or NH4 +, X3For Na+、K+Or NH4 +
The present inventor has found 3,3' by studying, and 4,4'- tetrahydroxybiphenyls can raise Nrf2 and its regulation and control Antioxidase γ GCS, II phase detoxification enzyme NQO1 protein levels, its activation mechanism are suppressed by increasing Nrf2 protein stabilities What Nrf2 protein degradations were realized;Using the pulmonary branches tracheal epithelium Beas-2B cellular damage model evaluations 3,3' of arsenic induction, 4, The cytoprotection of 4'- tetrahydroxybiphenyls, the results showed that the compound can increase endogenous cellular antioxidant agent GSH water It is flat, suppress arsenic induction Beas-2B cellular damages and apoptosis;To glomerulus membrane system cell SV40MES13 cells, people's nerve SHSY5Y Cell, human breast carcinoma MDA-MB-231 cells shows go out similar cytoprotection;Further determine that o-phenol for activity Essential group, by the way that its derivatization obtained into its phosphate and sulfate, keep Nrf2 agonisms while can to improve its molten Xie Du increases druggability.It is above-mentioned test result indicates that, biphenyl compound of the present invention have preventing and treating chronic obstructive pulmonary The effect of disease, chronic kidney disease, respiratory inflammation, diabetes, nerve degenerative diseases and tumor disease.
The second object of the present invention is to provide a kind of pharmaceutical composition for realizing above-mentioned application, including above-mentioned biphenyl class chemical combination Thing.
The third object of the present invention is to provide a kind of medicament for realizing above-mentioned application, including above-mentioned biphenyl compound and auxiliary Material.
The fourth object of the present invention is to provide a kind of preparation method of above-mentioned medicament, by above-mentioned biphenyl compound, starch And sieved after dextrin mixing, sodium carboxymethylcellulose granulation is added, tabletting after magnesium stearate mixes then is added and produces tablet.
Beneficial effects of the present invention are:
The present inventor has found 3,3' by studying, and 4,4'- tetrahydroxybiphenyls can raise Nrf2 and its regulation and control Antioxidase γ GCS, II phase detoxification enzyme NQO1 protein levels, its activation mechanism are suppressed by increasing Nrf2 protein stabilities What Nrf2 protein degradations were realized;Using the pulmonary branches tracheal epithelium Beas-2B cellular damage model evaluations 3,3' of arsenic induction, 4, The cytoprotection of 4'- tetrahydroxybiphenyls, the results showed that the compound can increase endogenous cellular antioxidant agent GSH water It is flat, suppress arsenic induction Beas-2B cellular damages and apoptosis;To glomerulus membrane system cell SV40MES13 cells, people's nerve SHSY5Y Cell, human breast carcinoma MDA-MB-231 cells shows go out similar cytoprotection.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows Meaning property embodiment and its illustrate be used for explain the application, do not form the improper restriction to the application.
The block diagram that the induced activity that Fig. 1 is NQO1 is tested, shows 3,3', 4,4'- tetrahydroxybiphenyls to that can induce Hepa1c1c7 cell II phase detoxication enzymes NQO1 expression simultaneously strengthens its activity, 3,3', 4,4'- tetrahydroxybiphenyl concentration in figure Unit for μM, 2.0 μM of sulforaphen is positive control;
Fig. 2 is the immunoblotting assay figure of the tetrahydroxybiphenyl of various concentrations 3,3', 4,4'-, shows 3,3', 4,4'- tetra- hydroxyls Base biphenyl can raise Nrf2 and anti-oxidant γ GCS downstream and II phases and detoxify zymoprotein NQO1 protein levels, wherein, 3,3', 4,4'- tetrahydroxybiphenyls concentration unit is μM;
Fig. 3 is the fluorescence micrograph of cellular immunity, shows that 3,3', 4,4'- tetrahydroxybiphenyls can promote Nrf2 indexable Enter core, 2.0 μM of sulforaphen is positive control in figure, and 3,3', 4,4'- tetrahydroxybiphenyl concentration are 12.5 μM;
Fig. 4 is the immunoblotting assay figure of the tetrahydroxybiphenyl of different time 3,3', 4,4'-, shows 3,3', 4,4'- tetra- hydroxyls Base biphenyl can extend Nrf2 protein half-lifes, wherein, 3,3', 4,4'- tetrahydroxybiphenyl concentration are 12.5 μM;
Fig. 5 is the block diagram of influence of the different material to glutathione, shows that 3,3', 4,4'- tetrahydroxybiphenyls can increase Add human bronchial epithelial Beas-2B endogenous cellular antioxidant agent glutathione levels, wherein, 2.5 μM of sulforaphen is positive right According to 3,3', 4,4'- tetrahydroxybiphenyl concentration units are μM;
Fig. 6 is the block diagram of the cell survival amount of cell toxicity test, shows that 3,3', 4,4'- tetrahydroxybiphenyls can drop The cytotoxicity of low arsenic induction, wherein, A is the tetrahydroxybiphenyl of various concentrations 3,3', 4,4'- to 10 μM of arsenic inducing cytotoxics Protective effect, B are 1.56 μM 3,3', protective effect of 4, the 4'- tetrahydroxybiphenyls to various concentrations arsenic inducing cytotoxic;
Fig. 7 is the fluorescence micrograph of natural death of cerebral cells, and AO/EB dyeing shows that 3,3', 4,4'- tetrahydroxybiphenyls can suppress The Apoptosis of arsenic induction, wherein, 3,3', 4,4'- tetrahydroxybiphenyl concentration are 1.56 μM, and the concentration of arsenic is 5 μM.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, it is various complicated and do not have document to heavily fortified point to there is hard leaf camphor tree composition in the prior art Chemical composition in leaf camphor tree carries out the deficiency of Activity determination, and in order to solve technical problem as above, present applicant proposes one kind to join Benzene-like compounds are in the application for preparing oxidative stress and inducing an illness in medicine.
A kind of exemplary embodiment of the application, there is provided a kind of biphenyl compound should in preparation prevention or treatment oxidation Swash the application in induce an illness medicine or health products, the chemical formula of the biphenyl compound is:
Wherein, R1For-H ,-CH3R2For-H ,-CH3X1 For-H, Na+、K+Or NH4 +, X2For-H, Na+、K+Or NH4 +, X3For-H, Na+、K+Or NH4 +
Present inventor has found 3,3' by studying, and 4,4'- tetrahydroxybiphenyls can raise Nrf2 and its regulation and control Antioxidase γ GCS, II phase detoxification enzyme NQO1 protein levels, its activation mechanism are suppressed by increasing Nrf2 protein stabilities What Nrf2 protein degradations were realized;Using the pulmonary branches tracheal epithelium Beas-2B cellular damage model evaluations 3,3' of arsenic induction, 4, The cytoprotection of 4'- tetrahydroxybiphenyls, the results showed that the compound can increase endogenous cellular antioxidant agent GSH water It is flat, suppress arsenic induction Beas-2B cellular damages and apoptosis;To glomerulus membrane system cell SV40MES13 cells, people's nerve SHSY5Y Cell, human breast carcinoma MDA-MB-231 cells shows go out similar cytoprotection;Further determine that o-phenol for activity Essential group, by the way that its derivatization obtained into its phosphate and sulfate, keep Nrf2 agonisms while can to improve its molten Xie Du increases druggability.It is above-mentioned test result indicates that, biphenyl compound of the present invention have preventing and treating chronic obstructive pulmonary The effect of disease, chronic kidney disease, respiratory inflammation, diabetes, nerve degenerative diseases and tumor disease.
Preferably, the oxidative stress induces an illness as COPD, chronic kidney disease, respiratory inflammation, sugar Urine disease, nerve degenerative diseases or tumor disease.
Preferably, the concentration of the biphenyl compound is 0.78~3.12 μM.More preferable protect is produced under the concentration to cell Shield acts on.It is further preferred that the concentration of the biphenyl compound is 1.56 μM.Best protection is produced to cell under the concentration Effect.
Preferably, 3,3', the preparation method of 4,4'- tetrahydroxybiphenyls is that the aerial part of hard leaf camphor tree is carried out using extractant Extraction obtains extract, and extract is extracted using petroleum ether and ethyl acetate successively, and the part of ethyl acetate extraction is carried out Petroleum ether-ethyl acetate system gradient elution obtains 19 parts, and the 14th part is obtained through sephadex lh-20 chromatogram post separation 3,3', 4,4'- tetrahydroxybiphenyl.The chemical formula of the 3,3', 4,4'- tetrahydroxybiphenyl is
It is further preferred that the ethanol solution that it is 95% that the extractant, which is volume fraction,.
Preferably, 3,3', the preparation method of the derivative of 4,4'- tetrahydroxybiphenyls is, in 0 DEG C and inert gas shielding Under, triethylamine is added dropwise in the anhydrous acetonitrile of 3,3', 4,4'- tetrahydroxybiphenyls, carbon tetrabromide and dibenzyl phosphite, Reacted in room temperature, remove solvent after reaction, then gains are dissolved in ethyl acetate, and with hydrochloric acid, the saturated common salt aqueous solution Wash successively, after organic phase is dried, remove solvent and obtain the dibenzyl phosphite intermediate of biphenyl;In -5 DEG C and inert gas Under protection, bromotrimethylsilane is added dropwise in the anhydrous acetonitrile of dibenzyl phosphite intermediate of biphenyl, then by temperature 0 DEG C is risen to, solvent is removed after stirring a period of time, then gains are cleaned with n-hexane and dichloromethane mixed solution, is obtained The phosphorous acid of biphenyl.
The chemical formula of the phosphorous acid of the biphenyl is
It is further preferred that methoxide or ammoniacal liquor are added separately in the methanol solution of the phosphorous acid of biphenyl, pH value is adjusted For alkalescence, the phosphite of biphenyl is obtained after removing solvent.
The chemical formula of the phosphite of the biphenyl is
Wherein, M Na+、K+Or NH4 +
Preferably, 3,3', the preparation method of the derivative of 4,4'- tetrahydroxybiphenyls is that chlorosulfonic acid is added dropwise under the conditions of 0 DEG C Into the anhydrous pyridine solution of 3,3', 4,4'- tetrahydroxybiphenyls, then temperature is warmed to room temperature, reacted, after reaction terminates Solvent is removed, then gains are soluble in water, hydrogenation sodium oxide molybdena, potassium hydroxide or ammoniacal liquor adjust pH value to produce biphenyl to alkalescence Sulphite.The room temperature is 15~30 DEG C.
The chemical formula of the sulphite of the biphenyl is
Wherein, M' Na+、K+Or NH4 +
Carry out biphenyl compound activation Nrf2 as representative compound using 3,3', 4,4'- tetrahydroxybiphenyls below Signal path acts on and pollutant is induced cellular damage protective effect research:
Using mouse hepa 1c1c7 liver cancer cell lines, induction of the biphenyl compound to II phase detoxification enzymes NQO1 have rated Effect, the results showed that 3,3', 4,4'- tetrahydroxybiphenyls, which have, raises NQO1 activity, i.e., and 3,3', 4,4'- tetrahydroxybiphenyls have Suppress the effect (Fig. 1) of oxidative stress.
Using the normal pulmonary epithelial cells Beas-2B cells of people, biphenyl compound is have rated to cell Nrf2 signal paths Effect.Western blot shows that 3,3', 4,4'- tetrahydroxybiphenyls can raise the expression of Nrf2 albumen, and energy The anti-oxidant γ GCS in downstream and II phases is promoted to detoxify zymoprotein NQO1 expression (Fig. 2).Cellular immunofluorescence, which is tested, to be shown, 3,3', 4,4'- tetrahydroxybiphenyls can promote Nrf2 indexings to enter core (Fig. 3), one-step activation downstream gene of going forward side by side.Further study showed that 3,3', 4,4'- tetrahydroxybiphenyls can extend Nrf2 protein half-lifes, suppress Nrf2 protein degradations, increase its stability (figure 4)。
The cytotoxicity model of arsenic induction is selected, 3,3', 4,4'- tetrahydroxybiphenyls of evaluation are to the normal pulmonary epithelial cells of people Beas-2B protective effect.Research it has proven convenient that arsenic by increase intracellular reactive oxygen level, induce cellular oxidation stress, cause Cellular damage and death.As a result show, through 3,3', 4,4'- tetrahydroxybiphenyls processing cell, its survival rate is significantly higher than non-dosing Treatment group, it was demonstrated that the compound can significantly inhibit the cytotoxicity of arsenic induction, and producing best protection to cell at 1.56 μM makees With (Fig. 6);In addition, 3,3', 4,4'- tetrahydroxybiphenyls can suppress the Apoptosis of arsenic induction.The result proves, 3,3', 4, 4'- tetrahydroxybiphenyls can be used for the prevention and treatment for preventing and treating tumour as medicine or health products.
The another embodiment of the application, there is provided a kind of pharmaceutical composition for realizing above-mentioned application, including it is above-mentioned Benzene-like compounds.
Embodiment there is provided a kind of medicament for realizing above-mentioned application, including above-mentioned biphenyl class for the third of the application Compound and auxiliary material.The auxiliary material is medically acceptable auxiliary material.
Preferably, the medicament is capsule, tablet, powder, granule, injection, oral liquid, vina, pill, mixture Or tincture.
The 4th kind of the application is embodiment there is provided a kind of preparation method of above-mentioned medicament, by above-mentioned biphenyl class chemical combination Sieved after thing, starch and dextrin mixing, add sodium carboxymethylcellulose granulation, then adding tabletting after magnesium stearate mixes is Obtain tablet.
Preferably, the biphenyl compound, starch and dextrin mass ratio are 1~2:1~2:2~4.
In order that the technical scheme of the application can clearly be understood by obtaining those skilled in the art, below with reference to tool The embodiment of body describes the technical scheme of the application in detail.
Embodiment 1:The preparation of 3,3', 4,4'- tetrahydroxybiphenyl and structural identification
The preparation method of 3,3', 4,4'- tetrahydroxybiphenyl is as follows:Hard leaf camphor tree aerial part, second is extracted to obtain with 95% ethanol Alcohol extracting thing, then extracted successively using petroleum ether and ethyl acetate.Ethyl acetate portion uses petroleum ether-ethyl acetate system Gradient elution, obtain 19 parts (A-S).N section obtains 3,3', 4,4'- tetrahydroxys connection through sephadex lh-20 chromatogram post separation Benzene.
With 3,3', 4, the 4'- tetrahydroxybiphenyls that are prepared for raw material, under 0 DEG C and nitrogen protective condition, by triethylamine (4mmol) is slowly added dropwise to 3,3', 4,4'- tetrahydroxybiphenyls (1mmol), carbon tetrabromide (4.4mmol) and dibenzyl phosphite In the anhydrous acetonitrile of (5mmol), then it is stirred at room temperature 2 hours, after reaction terminates, removes solvent under reduced pressure, gains are dissolved in Ethyl acetate, and washed respectively three times with 0.1M aqueous hydrochloric acid solution, the saturated common salt aqueous solution, organic phase is dried with sodium sulphate, with After filter, solvent is evaporated off and obtains the dibenzyl phosphite intermediate of biphenyl.Under -5 DEG C and nitrogen protective condition, by front three bromide Silane is slowly added dropwise in the anhydrous acetonitrile of intermediate, is then slowly recovered to 0 DEG C, and stirs 1h, and solvent is then evaporated off, Gains are with 1:1 n-hexane and dichloromethane mixed solution cleaning, obtains the phosphorous acid product of biphenyl.By sodium methoxide, methanol Potassium or ammoniacal liquor are added separately in the methanol solution of the product, adjust pH value that after solvent is evaporated off, gained crude product is placed in for alkalescence Recrystallized in the mixed solution of water and acetonitrile, finally give corresponding phosphorous acid sodium salt, sylvite and ammonium salt product.
Chlorosulfonic acid (2mmol) is slowly added dropwise to 3,3' under the conditions of 0 DEG C, 4,4'- tetrahydroxybiphenyls (0.5mmol) it is anhydrous In pyridine solution, then recover to room temperature, be stirred overnight.After reaction terminates, divide exactly solvent, gains are soluble in water, hydrogenation Sodium oxide molybdena, potassium hydroxide or ammoniacal liquor adjust pH value to alkalescence, subsequent reversed phase chromatography post of crossing to remove organic impurities, and after further treatment Obtain corresponding sulfonate sodium, sylvite and ammonium salt.
Method:With DMSO-d6For solvent, TMS is internal standard, and determining its hydrogen using nuclear magnetic resonance chemical analyser composes and carry out structure Parsing.
As a result:Compound1H-NMR signals are δH:8.92(2H,s,3,3'or 4,4'-OH);8.85(2H,s,3,3' or4,4'-OH);6.88 (2H, d, J=1.8Hz, H-2,2');6.77 (2H, dd, J=1.8,8.4Hz, H-6,6');6.74 (2H, d, J=7.8Hz, H-5,5').It is 3,3' through structural identification, 4,4'- tetrahydroxybiphenyls.
Embodiment 2:The NQO1 induced activitys evaluation of 3,3', 4,4'- tetrahydroxybiphenyl
(1) culture of murine hepatocarcinoma cell hepa 1c1c cell lines
Murine hepatocarcinoma cell hepa 1c1c cell lines are purchased from American Type Culture collection warehousing (ATCC), using containing 10% The MEM culture mediums of hyclone (FBS), are placed in 37 DEG C, 5%CO2Cultivated in incubator.
(2) NQO induced activitys are tested
Hepa 1c1c cells are inoculated on 96 orifice plates, 3,3', 4,4'- tetra- hydroxyls of various concentrations are added after cell attachment Base biphenyl (embodiment 1 is confirmed), handle 24 hours, using 0.8% digitonin solution cell lysis, add detection liquid (1.0mL0.5M trishydroxymethylaminomethanes-hydrochloric acid (Tris-HCl), 15mg bovine serum albumin(BSA)s, 6mg MTT, 150 μ L tweens- 20,150 μ L 150mM D-Glucose -6- phosphoric acid, 15 μ L 7.5mM flavin adenine dinucleotide (FAD)s, 27 μ L 50mM nicotinoyl amine glands Purine dinucleotides phosphoric acid, 20 μ L 50mM menadiones), place 3 minutes, luminous intensity is determined in 630nm.
As a result:As shown in figure 1,3,3', 4,4'- tetrahydroxybiphenyls can activate NQO1 activity in hepa 1c1c7 cells, Its maximum induced activity is 2.19 times (100 μM), and positive control medicine sulforaphen (2.0 μM) is 2.80 times of blank control group. The above results show that 3,3', 4,4'- tetrahydroxybiphenyls can activate II phase detoxification enzymes, have protective effect to human body cell.
Embodiment 3:3,3', 4,4'- tetrahydroxybiphenyl can raise Nrf2, γ GCS and NQO1 protein levels
Method:The change of protein level in western blot analysis (Western blot) detection cell
Beas-2B cells are inoculated in diameter 35mm culture dishes, cultivated after reaching 70%-80% to density, are added not Testing compound with concentration handles 16h, and PBS is washed 2 times, adds cell pyrolysis liquid (50 μ g/ml Aprotinins, 0.5mM benzyls Sulfuryl fluoride, 1mM sodium vanadates, 10mM sodium fluorides, 10mM β-phosphoglycerol), collect albumen and using Bradford methods measure egg White concentration.Sample protein (100 μ g) loading is respectively taken, SDS-PAGE protein isolates component is simultaneously turned protein band using electrotransfer method Move on cellulose nitrate film.Film through TBS prepare 5% skimmed milk power solution room temperature closing 1h after, respectively with it is each to be measured 4 DEG C of overnight incubations of protein antibodies.After the secondary antibody incubation 1h of horseradish peroxidase is separately added into after TBS is washed, with increasing Strong type ECL chemiluminescences carry out analysis of protein.
As a result:As shown in Fig. 2 after cell handles 16h through 3,3', 4,4'- tetrahydroxybiphenyls, Nrf2 and anti-oxidant downstream With II phases detoxify zymoprotein NQO1 and γ GCS protein levels present dose dependent increase, Keap1 protein levels are unchanged, card The real compound can activate Nrf2 signal paths on protein level.
Embodiment 4:3,3', 4,4'- tetrahydroxybiphenyl promote Nrf2 protein translocations to enter core
Method:Immuno-fluorescence assay Nrf2 intracellular locations
Cell climbing sheet is positioned in 24 orifice plates, Beas-2B cells is inoculated with, 3,3', 4,4'- tetra- is added after cell attachment Xenol is handled 8 hours, and PBS is washed 2 times, is added methanol and is fixed 4 hours, and PBS is washed 2 times, and it is small to add Nrf2 antibody incubations 1 When, PBS is washed 3 times, adds DAPI and fluorescence secondary antibody is incubated 50 minutes, using fluorescence microscope and take pictures.
As a result:Immunofluorescence results are shown (Fig. 3), and under cell normal condition, Nrf2 is located in cytoplasm, add 3,3', After 4,4'- tetrahydroxybiphenyls and positive control sulforaphen are handled 8 hours, Nrf2 indexings enter nucleus.
Embodiment 5:3,3', 4,4'- tetrahydroxybiphenyl increase Nrf2 protein stabilities
Method:Western blot analysis detect Nrf2 protein half-lifes
Beas-2B cells are inoculated in diameter 35mm culture dishes, cultivated after reaching 70%-80% to density, add 3, 3', 4,4'- tetrahydroxybiphenyl 8h, cycloheximide is then added, timing, albumen was collected at 0,10,20,30,40 minute respectively, enters Row western blot analysis detect, and are quantified using Image J softwares.
As a result:As shown in figure 4, blank group Beas-2B cell Nrf2 protein half-lifes are 14.6 minutes, through 3,3', 4,4'- After tetrahydroxybiphenyl processing 8h, Nrf2 protein half-lifes extend to 31.7 minutes, show that 3,3', 4,4'- tetrahydroxybiphenyls can Extend Nrf2 protein half-lifes.
Embodiment 6:3,3', 4,4'- tetrahydroxybiphenyl can increase endogenous cellular antioxidant agent glutathione level
(1) culture of people's normal epidermis Beas-2B cells
People normal lung bronchiolar epithelium Beas-2B cells are purchased from American Type Culture collection warehousing (ATCC), using 1640 Culture medium, and 10% hyclone (FBS) is added thereto, 5% glutamine, 37 DEG C are placed in, 5%CO2Cultivated in incubator.
(2) measure of glutathion inside cell content
Beas-2B cells are inoculated in diameter 35mm culture dishes, cultivated after reaching 70%-80% to density, are added not Handled 24 hours with the 3,3' of concentration, 4,4'- tetrahydroxybiphenyls (embodiment 1 is confirmed), PBS is washed 2 times, adds 0.5mL 50mM Sodium phosphate and 1mM edta buffers liquid receive cell, and ultrasonic 1min, 10000g are centrifuged 15 minutes, supernatant are taken, according to glutathione Kit specification operation is determined, 412nm measure absorbances simultaneously calculate glutathione content.
As a result:As shown in figure 5,3,3', 4,4'- tetrahydroxybiphenyls can dramatically increase glutathione levels, increase Strong intracellular reducing power.
Embodiment 7:The guarantor for the human bronchial epithelial Beas-2B cellular damages that 3,3', 4,4'- tetrahydroxybiphenyl are induced arsenic Shield acts on
Method:The protective effect for the cytotoxicity that mtt assay measure Chinese medicine composition is induced arsenic
Beas-2B cells are inoculated on 96 orifice plates, after cell attachment, joined using the tetrahydroxy of concentration 3,3', 4,4'- to be measured Benzene pretreatment cell 8 hours, add the arsenic and the tetrahydroxybiphenyl of concentration to be measured 3,3', 4,4'- of various concentrations (embodiment 1 is confirmed) Processing 48 hours, or MTT is added after 3 hours, 590nm measure absorbances simultaneously calculate cells survival rate.
As a result:As shown in Figure 6A, using 3,3', 4,4'- tetrahydroxybiphenyl pretreatment cell 8 hours, can significantly inhibit The cytotoxicity that 10 μM of arsenic induces, increase cells survival rate, wherein 1.56 μM of tetrahydroxybiphenyl activity of concentration 3,3', 4,4'- are most It is good.As shown in Figure 6B, using 1.56 μM of tetrahydroxybiphenyls of concentration 3,3', 4,4'- as protection medicines, can significantly inhibit 5, 10th, the cytotoxicity that 20 μM of arsenic induces, cells survival rate is increased.As a result prove, 3,3', 4,4'- tetrahydroxybiphenyls can press down The toxicity of carcinogenic substance arsenic induction processed.
Embodiment 8:3,3', 4,4'- tetrahydroxybiphenyl can suppress the natural death of cerebral cells of arsenic induction
Beas-2B cells are inoculated in 35mm culture dishes, 5 μM of arsenic or 1.56 μM 3,3', 4,4'- tetra- hydroxyls are added after adherent Base biphenyl handles 12h, is separately added into acridine orange (AO)/ethidium bromide (EB) and is dyed, and uses fluorescence microscope cell State.
As a result:As shown in fig. 7, using arsenic or 3,3', 4,4'- tetrahydroxybiphenyl coprocessing 12 hours, can significantly inhibit The Apoptosis of arsenic induction.
Embodiment 9:The preparation of tablet
3,3', 4,4'- tetrahydroxybiphenyls (embodiment 1 is confirmed) 1g, starch 1g, dextrin 2g are added, sieving, adds carboxymethyl Appropriate sodium cellulosate, granulation.Magnesium Stearate proper quantity is added, mixes, tabletting, produces.
The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.

Claims (10)

1. a kind of application of biphenyl compound in preparation prevention or treatment oxidative stress induce an illness medicine or health products, its It is characterized in, the chemical formula of the biphenyl compound is:
Wherein, R1For-H ,-CH3Or, R2For-H ,-CH3X1For-H, Na+、K+Or NH4 +, X2For-H, Na+、K+Or NH4 +, X3For-H, Na+、K+Or NH4 +
2. application as claimed in claim 1, it is characterized in that, the oxidative stress induce an illness for COPD, Chronic kidney disease, respiratory inflammation, diabetes, nerve degenerative diseases or tumor disease.
3. application as claimed in claim 1, it is characterized in that, the concentration of the biphenyl compound is 0.78~3.12 μM.
4. application as claimed in claim 1, it is characterized in that, the preparation method of 3,3', 4,4'- tetrahydroxybiphenyls is, using carrying Take agent to carry out extraction to the aerial part of hard leaf camphor tree and obtain extract, extract is carried out using petroleum ether and ethyl acetate successively Extraction, the part of ethyl acetate extraction is subjected to petroleum ether-ethyl acetate system gradient elution and obtains 19 parts, by the 14th Lease making sephadex lh-20 chromatogram post separation obtains 3,3', 4,4'- tetrahydroxybiphenyls.
5. application as claimed in claim 1, it is characterized in that, the preparation method of the derivative of 3,3', 4,4'- tetrahydroxybiphenyls For under 0 DEG C and inert gas shielding, triethylamine is added dropwise into 3,3', 4,4'- tetrahydroxybiphenyls, carbon tetrabromide and phosphorous acid In the anhydrous acetonitrile of dibenzyl ester, reacted in room temperature, solvent removed after reaction, then gains are dissolved in ethyl acetate, And washed successively with hydrochloric acid, the saturated common salt aqueous solution, after organic phase is dried, remove solvent and obtain the dibenzyl phosphite of biphenyl Intermediate;Under -5 DEG C and inert gas shielding, bromotrimethylsilane is added dropwise to the dibenzyl phosphite intermediate of biphenyl In anhydrous acetonitrile, then temperature risen to 0 DEG C, stir and solvent is removed after a period of time, then by gains n-hexane and two Chloromethanes mixed solution cleans, and obtains the phosphorous acid of biphenyl;Preferably, methoxide or ammoniacal liquor are added separately to the phosphorous of biphenyl In the methanol solution of acid, pH value is adjusted to obtain the phosphite of biphenyl after removing solvent for alkalescence;
Or, chlorosulfonic acid is added dropwise in the anhydrous pyridine solution of 3,3', 4,4'- tetrahydroxybiphenyls under the conditions of 0 DEG C, then by temperature Be warmed to room temperature, reacted, reaction removes solvent after terminating, then gains are soluble in water, hydrogenation sodium oxide molybdena, potassium hydroxide or Ammoniacal liquor adjusts pH value to produce the sulphite of biphenyl to alkalescence.The room temperature is 15~30 DEG C.
6. a kind of pharmaceutical composition for realizing any described application of Claims 1 to 5, it is characterized in that, including claim 1~ The biphenyl compound used in 3 any applications.
7. a kind of medicament for realizing any described application of Claims 1 to 5, it is characterized in that, including claims 1 to 3 is any The biphenyl compound and auxiliary material used in the application.
8. medicament as claimed in claim 7, it is characterized in that, the medicament is capsule, tablet, powder, granule, injection Agent, oral liquid, vina, pill, mixture or tincture.
9. a kind of preparation method of medicament as claimed in claim 7, it is characterized in that, by any application of Claims 1 to 5 Biphenyl compound, starch and the dextrin of middle use sieve after mixing, and add sodium carboxymethylcellulose granulation, then add hard Tabletting produces tablet after fatty acid magnesium mixing.
10. preparation method as claimed in claim 9, it is characterized in that, the biphenyl compound, starch and dextrin mass ratio are 1~2:1~2:2~4.
CN201710735302.7A 2017-08-24 2017-08-24 A kind of biphenyl compound is in the application for preparing oxidative stress and inducing an illness in medicine Pending CN107496433A (en)

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