CN109731003A - Application of the rubrofusarin -6-O- β-O-gentibioside in preparation lipid-lowering diet drug - Google Patents

Application of the rubrofusarin -6-O- β-O-gentibioside in preparation lipid-lowering diet drug Download PDF

Info

Publication number
CN109731003A
CN109731003A CN201811349282.0A CN201811349282A CN109731003A CN 109731003 A CN109731003 A CN 109731003A CN 201811349282 A CN201811349282 A CN 201811349282A CN 109731003 A CN109731003 A CN 109731003A
Authority
CN
China
Prior art keywords
rfg
rubrofusarin
gentibioside
cell
ampk
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811349282.0A
Other languages
Chinese (zh)
Other versions
CN109731003B (en
Inventor
刘向前
邹亲朋
戴玲
宋雄辉
洪承宪
韩耀韩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changsha Broad Ocean Bio Science and Technique Co Ltd
Original Assignee
Changsha Broad Ocean Bio Science and Technique Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changsha Broad Ocean Bio Science and Technique Co Ltd filed Critical Changsha Broad Ocean Bio Science and Technique Co Ltd
Priority to CN201811349282.0A priority Critical patent/CN109731003B/en
Publication of CN109731003A publication Critical patent/CN109731003A/en
Application granted granted Critical
Publication of CN109731003B publication Critical patent/CN109731003B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines Containing Plant Substances (AREA)

Abstract

It is naphthopyrone glycosides compound that the present invention provides rubrofusarin -6-O- β-O-gentibiosides (RFG) preparing the application in fat-reducing dietic medicinal, the rubrofusarin -6-O- β-O-gentibioside.RFG inhibits the lipid accumulation of 3T3-L1 and hAMSCs cell by the targeting of reduction mTOR, PPAR γ and C/EBP α;The expression of Adipogenesis correlation factor is adjusted by AMPK access, is inhibited lipid accumulation signal path, can be lost weight the size of increase, eWAT and fatty liver;RFG inhibits fat to generate the factor (PPAR γ, C/EBP α, FAS, LPL and aP2) by the AMPK in activation eWAT and liver.Therefore it can be used as the fat drug for the treatment of.

Description

Application of the rubrofusarin -6-O- β-O-gentibioside in preparation lipid-lowering diet drug
Technical field
The invention belongs to the bioactive application technical fields of compound, in particular to a kind of aphthopyrans ketone The new pharmaceutical use of compound, more particularly to rubrofusarin -6-O- β-O-gentibioside with following formula 1 is in preparation lower blood-fat and reduce weight Application in medicine.
Formula 1
Background technique
With the improvement of people ' s living standards with the change of original eating habit, obesity has become stream in modern society Row disease, other related diseases as brought by obesity, as diabetes, atherosclerosis, coronary heart disease, hypertension, fatty liver and Other cardiovascular and cerebrovascular diseases etc. have seriously threatened the health of the mankind.Medical field is making great efforts to develop Small side effects treatment at present The lipid-lowering diet drug imitated studies the cause of disease, Chinese medicine system is made by scientific and reasonable composition of prescription especially from theory of traditional Chinese medical science Agent achievees the purpose that treating both manifestation and root cause of disease, and research the effect of to realize lower blood-fat and reduce weight is as many as the most.
Cassia seed is legume cassia (Cassia obtusifolia L.) or little cassia tora (Cassia tora L.) Dry mature seed.Have wind and heat eliminating, clear liver and improve vision, relax bowel and defecation the effect of.Clinic plays the role of reducing serum ornitrol.Certainly Containing there are many anthraquinone component and aphthopyrans ketones components in pine torch, it was reported that certain anthraquinone glycosides and naphthopyrone therein Glycosides has the function of that fighting carbon tetrachloride and galactosamine poisons originally culture mouse stem cells.In numerous patent application texts In part, lipid-lowering medicine, the slimming drugs that cassia seed and other Chinese medicines are prepared together are referred to, due to being compound, it is difficult to which understanding wherein rises The effective component of key effect is arrived.Rubrofusarin -6-O- β-O-gentibioside (RFG) in cassia seed, which has, adjusts hyperlipemia The report of disease, but there is not been reported for its antiobesity action and its dependent interaction mechanism.
Patent research RFG improves mechanism of action that is fat and adjusting lipid accumulation.It is thin with 3T3-L1 and hAMSCs Born of the same parents' test confirms the lipogenetic effect of the inhibition of RFG.RFG passes through the targeting for reducing mTOR, PPAR γ and C/EBP α, Inhibit the lipid accumulation of 3T3-L1 and hAMSCs cell.RFG is also independent, and phosphorylation AMP activated protein significant in liver kinase b swashs Enzyme.But AMPK inhibitor has blocked the anti-cellulite nucleus formation of RFG.These results indicate that RFG adjusts Adipogenesis by AMPK The expression of correlation factor, to inhibit lipid accumulation signal path.In addition, RFG reduces weight gain, eWAT and fatty liver Size.These effects and mechanism of action are similar to experiment in vitro.RFG also passes through the AMPK in activation eWAT and liver and inhibits fat It generates the factor (PPAR γ, C/EBP α, FAS, LPL and aP2).Therefore RFG can improve obesity, the drug fat as treatment.
Summary of the invention
The purpose of the present invention is 1 rubrofusarin -6-O- β of the formula-O-gentibioside (RFG) is applied to preparation lipid-loweringing The drug of weight-reducing.
Formula 1
RFG and pharmaceutically acceptable pharmaceutic adjuvant, the pharmaceutical preparation as made of starch, cyclodextrin etc., and can be according to agent Type needs to add other auxiliary materials.
RFG can be tablet, capsule, oral solution, granule and freeze-dried powder with preparation formulation made of pharmaceutic adjuvant Injection.
RFG can inhibit the rouge of 3T3-L1 and hAMSCs cell by the targeting of reduction mTOR, PPAR γ and C/EBP α Matter accumulation.
RFG can adjust the expression of Adipogenesis correlation factor by AMPK, inhibit lipid accumulation signal path.
RFG can lose weight the size of increase, eWAT and fatty liver;Inhibit rouge by the AMPK in activation eWAT and liver Fat generates the factor (PPAR γ, C/EBP α, FAS, LPL and aP2).
The beneficial effects of the present invention are:
(1) present invention has studied the functions of lowering blood-fat and reducing weight of RFG, and its mechanism of action is conducted in-depth research and explained It states;
(2) present invention has carried out comparative experiments to RFG and cassia seed extract, and experimental result shows the lower blood-fat and reduce weight of RFG Effect is substantially better than cassia seed extract.
Detailed description of the invention
Cytotoxicity of Fig. 1 (A) RFG to 3T3-L1 cell;(B) cytotoxicity of the RFG to hAMSCc
Fig. 2 (A) oil red O is to fat drips colored graph in RFG treated 3T3-L1 cell;(B) treated that 3T3-L1 is thin by RFG Fat drips accumulate result in born of the same parents;(C) oil red O is to fat drips colored graph in RFG treated hAMSCc cell;(D) treated by RFG Fat drips accumulate result in hAMSCc cell
Influence of Fig. 3 (A) RFG to the mRNA level in-site expression of 3T3-L1 cell PPAR γ and C/EBP α;(B) 3T3-L1 cell Western blot analysis experimental result (GAPDH is internal reference);(C) RFG is to 3T3-L1 cell PPAR γ and C/EBP alpha protein water The influence of flat expression
Influence of the RFG to the mRNA expression of FAS in Fig. 4 (A) 3T3-L1 cell differentiation;(B) RFG in 3T3-L1 cell differentiation Influence to the mRNA expression of LPL;(C) influence of the RFG to the mRNA expression of aP2 in 3T3-L1 cell differentiation
Fig. 5 (A) RFG is to p-LKB1 in 3T3-L1 cell, LKB1, p-AMPK α, AMPK α, p-mTOR, mTOR protein table Up to horizontal influence;(B) RFG processing 3T3-L1 cell in pAMPK α/AMPK α, p-LKB1/LKB1, p-mTOR/mTOR phase Reduced value analysis;(C) RFG is to p-PI3K in 3T3-L1 cell, PI3K, the influence of p-AKT and AKT protein level expression;(D) The relative ratio analysis of p-PI3K/PI3K and p-AKT/AKT in the 3T3-L1 cell of RFG processing
Fig. 6 (A) RFG to p-LKB1 in hAMSCc cell, LKB1, p-AMPK α, AMPK α, p-mTOR, mTOR, PPAR γ and The influence of C/EBP alpha protein expression;PAMPK α/AMPK α, p-LKB1/ in the hAMSCc cell of (B, C) RFG processing The relative ratio of LKB1, p-mTOR/mTOR, PPAR γ/GAPDH and C/EBP α/GAPDH are analyzed;(D) RFG is to hAMSCc cell The influence of the mRNA expression of middle PPAR γ, C/EBP α and aP2
10 weeks changes of weight of HFD obesity-induced mice of Fig. 7 (A) RFG processing;(B) it is small to handle HFD inducing obesity by RFG Mouse tests start and ending mice weights difference
Fig. 8 RFG handles the eWAT of HFD obesity-induced mice and the weight of liver
It is horizontal that Fig. 9 (A) RFG handles TG, TC, HDL, LDL in HFD obesity-induced mice serum;(B) RFG handles HFD induction AST and ALT is horizontal in obesity mice serum;(C) RFG handles HFD obesity-induced mice creatinine in serum and BUN is horizontal
Figure 10 (A) RFG handles HFD obesity-induced mice liver organization H&E coloring pathological section figure (* 200);(B) at RFG It manages HFD obesity-induced mice H&E and dyes Epididymal Adipocytes size
Influence of Figure 11 (A, B) RFG to PPAR γ and C/EBP the alpha protein horizontal expression of eWAT;(C) RFG is to eWAT's The influence of the mRNA level in-site expression of PPAR γ and C/EBP α;PPAR γ and C/EBP alpha protein water-glass of (the D, E) RFG to liver The influence reached;(F) influence of the RFG to the mRNA level in-site expression of PPAR γ and the C/EBP α of liver
Figure 12 (A) RFG is to p-LKB1 in eWAT, LKB1, p-AMPK α, AMPK α, p-mTOR, mTOR protein expression level Influence;(B) relative ratio of p AMPK α/AMPK α, p-LKB1/LKB1, p-mTOR/mTOR are analyzed in eWAT after RFG processing; (C) influence of the RFG to the mRNA expression of FAS, LPL, aP2 in eWAT
Figure 13 (A) RFG is to p-LKB1 in liver, LKB1, p-AMPK α, AMPK α, p-mTOR, mTOR protein expression level Influence;(B) relative ratio of p AMPK α/AMPK α, p-LKB1/LKB1, p-mTOR/mTOR are analyzed in liver after RFG processing; (C) influence of the RFG to the mRNA expression of FAS, LPL, aP2 in liver
Specific embodiment
Purpose of the present invention is achieved through the following technical solutions:
1 rubrofusarin -6-O- β of embodiment-O-gentibioside preparation method
(1) Cassia Seed is taken, proper amount of methanol is added, homogenate extraction filters, combined extract, recycles methanol, obtains Cassia Seed extract.
(2) cassia seed extract is taken, sample, eluent chloroform-methanol, dry method loading, elution are mixed with 1: 1 mass ratio with silica gel After 4 times of column volumes, loading layer is dug out, continues to use methanol eluting silica gel column, by TLC trace detection, until without red streptomysin -6- O- β-O-gentibioside.Eluent is recycled, rubrofusarin -6-O- β-O-gentibioside crude extract is obtained.
(3) rubrofusarin -6-O- β-O-gentibioside crude extract 39% methanol aqueous solution of volumetric concentration is dissolved, configuration At test solution, through 0.45 μm of filtering with microporous membrane;It is separated using high performance liquid preparative chromatography column, is with volumetric concentration 40% methanol-water solution is eluent system, and online ultraviolet detection collects and contains rubrofusarin -6-O- β-O-gentibioside Dry yellow powder I is concentrated under reduced pressure in eluent.
(4) yellow powder I is subjected to second of efficient liquid phase with the eluent system that volumetric concentration is 42% methanol aqueous solution Preparation, the same step of other conditions (3) collect purity greater than 98% and contain rubrofusarin -6-O- β-O-gentibioside fraction; Above-mentioned fraction is freeze-dried to obtain rubrofusarin -6-O- β-O-gentibioside that purity is greater than 98%.
2 rubrofusarin -6-O- β of embodiment-O-gentibioside is to 3T3-L1 cell and hAMSCs cell Proliferation and differentiation It influences
One, experiment content
(1) 3T3-L1 cell culture and induction differentiation
By 3T3-L1 cell inoculation in culture plate, with containing 1% Pen .- Strep and 10% newborn bovine serum (NBCS) DMEM culture solution is cultivated in 37 DEG C, 5%CO2 incubator, two days later to cell fusion, in the glucose containing 25mM, 0.5mM The DMEM culture medium hatching 48 of IBMX, 1 μM of dexamethasone (Dex), 1 μ g/ml insulin (MDI) and 10% fetal calf serum (FBS) Hour, it changes to carry out hatching 48 hours in the DMEM culture solution containing 10%FBS, 1 μ g/ml MDI and various concentration REG.Then In the DMEM culture solution containing 10%FBS, 1 μ g/ml MDI, continue culture two days.It is within the 1st day in the induction differentiation of 3T3-L1 cell The RFG of various concentration is added, until experiment terminates.
(2) hAMSCs cell culture and induction differentiation
By hAMSCs cell inoculation in culture plate, with containing 1% Pen .- Strep and 10% newborn bovine serum (NBCS) DMEM culture solution is cultivated in 37 DEG C, 5%CO2 incubator, two days later to cell fusion, with IBMX containing 0.5Mm, 1 μm of Dex, 1 10%FBS/DMEM Cell differentiation inducing activity 6 days of μm insulin and 100 μm of Indomethacins are changed primary new every three days in incubation Fresh culture solution.6th day, with the 10%FBS/DMEM incubated cell containing 1 μ g/ml insulin, replace within every two days primary fresh training Base is supported, until the 14th day.
(3) Cytotoxic evaluation of 3T3-L1 and hAMSCs
3T3-L1 cell and hAMSCs cell are inoculated in 96 orifice plates by the hole 5*103/, use the DMEM containing 10%NBCS Culture solution culture.After 24 hours, the RFG of various concentration is replaced.After 48 hours, 20 μ L MTS solution are added in every hole, continue incubation 4 Hour, terminate culture, select 490nm wavelength, measure each hole absorbance value (formazan concentration in VERSA microplate reader, the concentration with Number of viable cells is directly proportional).
(4) oil red O stain is tested
After 3T3-L1 PECTORAL LIMB SKELETON and hAMSCs cell are handled with RFG, the cells are fixed 2 hours in 10% formaldehyde. After being washed with 60% isopropanol, dyed at room temperature 30 minutes with 0.3% oil red O solution, be washed with water undyed cell with Remove oil red O solution.Cell is observed using EVOS XL core imaging system.It is extracted in cell with 100% isopropanol (hole 3ml/) Dyestuff.The dyestuff of dissolution is measured at 500nm with VERSA max microplate reader to calculate absorbance.
(5) statistical method
As a result indicate that statistical method is examined with t with the average value ± SD of independent experiment.All statistical results are united with SPSS Count software analysis.Significant difference is shown as p < 0.05.
Two, experimental result
(1) cytotoxicity experiment result
As shown in Fig. 1 (A), RFG does not have cytotoxicity at 200 μM or less to 3T3-L1 cell, and 400 μM of RFG significantly drops The cell viability of low 3T3-L1 cell.Therefore select 50,100 and 200 μM of RFG as experimental concentration.
As shown in Fig. 1 (B), although up to 400 μM of RFG does not show cytotoxicity to hAMSCs cell, in order to The concentration of 3T3-L1 cell experiment is consistent, select in following experiment 50,100 and 200 μM as experimental concentration.
(2) oil red O stain experimental result
As shown in Fig. 2 (A) and (B), with the raising of RFG concentration, fat drips are accumulated with dose dependent in 3T3-L1 cell Mode gradually decrease.
As shown in Fig. 2 (C) and (D), with the raising of RFG concentration, fat drips are accumulated with dose dependent in hAMSCs cell Mode gradually decrease.
3 rubrofusarin -6-O- β of embodiment-O-gentibioside inhibits the regulatory mechanism research of Adipocyte Differentiation
One, experiment content
(1) RNA extraction and real-time quantitative PCR
The total serum IgE in 3T3-L1 cell and hAMSCs cell is extracted with the operating procedure of QIAzol lytic reagent box.To mention The total serum IgE taken out is the template for synthesizing the first chain of cDNA, according to the application method that kit describes, is closed using power cDNA Reverse transcription is carried out at kit.With Step One Plus real-time fluorescence quantitative RT-PCR system detection PCR product, and use Step One v2.1 software is used as endogenous control with GAPGH and h36 B4, compares the phase that CT method determines PPAR γ and C/EBP α To expression.The upstream primer and downstream primer of target cDNA amplification are as shown in table 1.
1 real-time quantitative PCR primer sequence of table
(2) western blot analysis
Induction differentiation 3T3-L1 cell and hAMSCs cell are cracked with extracting solution of protein, albumen is measured with Bradford method Concentration.After taking protein example to add sample-loading buffer denatured by boiling, 10%SDS-PAGE electrophoresis, revolving die are carried out, with 5% defatted milk The TBST of powder closes 2h, is separately added into primary antibody, and 4 DEG C overnight, and 0.1%TBST is washed film 3 times, is handled with secondary antibodies appropriate Afterwards, ECL development is carried out with chemiluminescence gel imaging system.Ribbon density is measured with Image-J software.
(3) immunofluorescence staining
HAMSCs (5*103 cells/well) is seeded in 8 pore chamber glass slides and is broken up.Noble cells 0.1%Triton X-100 is fixed and permeabilization.After being incubated in Block buffer containing 3%BSA and 0.1%Triton X-100 in PBS, dark It is reacted overnight in 4 DEG C with primary antibody in room.Behind secondary antibody 1 hour that processing Alexa488 and Alexa555 is combined, carry Slide is washed with PBS and is redyed with DAPI.After being rinsed with PBS, glass slide is captured using EVIS TM FL imaging system.
(4) statistical method
As a result indicate that statistical method is examined with t with the average value ± SD of independent experiment.All statistical results are united with SPSS Count software analysis.Significant difference is shown as p < 0.05.
Two, experimental result
(1) influence of the RFG to mRNA and the protein level expression of 3T3-L1 cell PPAR γ and C/EBP α
As shown in figure 3, the mRNA level in-site and egg of RFG treated 3T3-L1 cell significantly inhibits PPAR γ and C/EBP α The expression of white matter level.
(2) RFG activates AMPK access, and fat in 3T3-L1 cell is inhibited to generate
For the effect for reducing fat molecular mechanism for determining RFG, the upstream and downstream factor of PPAR γ and C/EBP α are determined.First Determine the mRNA expression of downstream elements FAS, LPL and aP2 of PPAR γ and C/EBP α.Shown in as shown in the figure 4, pass through concentration After the RFG processing of dependence, the mRNA expression of FAS, LPL and aP2 are significantly reduced.To further determine that RFG inhibits rouge The access of fat cell expression, has studied the phosphorylation of LKB 1, AMPK and mTOR.As shown in figure 5, the phosphorylation of AMPK passes through RFG It handles and dose-dependently increases, the AMPK of activation inhibits the phosphorylation of mTOR, promotes the expression of PPAR γ.But as The IKB 1 of AMPK upstream element is not activated by RFG, and the phosphorylation of PI3K and AKT are not also inhibited by RFG.Result above table Bright, RFG may pass through the inhibition of phosphorylation Adipogenesis of AMPK.
(3) RFG activates AMPK access, and hAMSCs is inhibited to be divided into mature fat cell
To confirm that RFG whether by AMPK inhibition Adipogenesis, uses AMPK inhibitor Compound C (CC).Such as Fig. 2 Shown in (C, D), compared with RFG group, the use in conjunction of RFG and CC significantly suppress the effect for reducing fat of RFG.As shown in fig. 6, with The result of 3T3-L1 cell is consistent, RFG can activate AMPK access, mTOR phosphorylation and significantly inhibit PPAR γ and C/ The protein expression of EBP α.However, RFG does not activate the phosphorylation of LKB 1.In addition, RFG activates the phosphoric acid of mTOR after CC processing Change, significantly inhibit the protein expression of PPAR γ and C/EBP α.In mRNA level in-site, RFG inhibits the expression of PPAR γ and C/EBP α, And CC processing does not inhibit then.Similar trend is also presented with the downstream elements aP2 of C/EBP α in PPAR γ.Immunofluorescence dyeing confirms RFG inhibits PPAR γ and C/EBP α with concentration dependant manner, but CC processing has also blocked this effect.The above result shows that RFG can inhibit hAMSCs to be divided into mature fat cell by activating AMPK access.
4 rubrofusarin -6-O- β of embodiment-O-gentibioside studies the obesity mice loss of weight effect for reducing fat that HFD is induced
One, experiment content
(1) the obesity mice modeling and experimental group of HFD induction
C57BL/6J male mice (4 weeks, 16-18 grams) is raised one week under stable experiment condition, and 12h light dark is followed Ring.For inducing obesity, mouse feeding 60%kcal high lipid food (HFD, U.S.'s Research Diet experimental animal feed are given Model D12492).Mouse is randomly divided into four groups (every group 8), i.e. normal diet group, HFD group, HFD+RFG (50mg/kg/ It) it organizes and HFD+RFG (100mg/kg/ days) group.Normal group feeds standard chow, and HFD group and HFD+RFG group feed HFD and distilled water Or RFG continues 10 weeks, weighing is primary weekly, record mouse weight variation.All programs used in zoopery are all bases Wide (the confirmation number: wk u17- learning evaluation committee, mechanism animal care and being carried out using the program that the committee ratifies of circle 128)。
(2) observation index and method
After 4 weeks, it is deprived of food but not water 6h, 5% chloral hydrate anesthesia mouse of 0.2ml/100g volume is injected intraperitoneally after weighing, Abdominal aorta blood sampling, stands 1h, draws upper serum, -20 DEG C of preservations with liquid-transfering gun after centrifugation.Analyze the total cholesterol in serum (TC), high-density lipoprotein (HDL), low-density lipoprotein (LDL) triglycerides (TG), aspartate transaminase (AST), the third ammonia Sour transaminase (ALT), blood urea nitrogen (BUN) and creatinine content.
Mouse eWAT and liver are won, and is weighed.Right lobe of liver tissue is cut to be washed off after watery blood filter paper blots with physiological saline It is put in 10% neutral formalin to fix, prepares 5 μm of paraffin sections, hematoxylin eosin staining.Micro-image is by EVOS XL core The capture of heart imaging system.Use the size of Image-J software analysis adipose tissue.
(3) statistical method
As a result indicate that statistical method is examined with t with the average value ± SD of independent experiment.All statistical results are united with SPSS Count software analysis.Significant difference is shown as p < 0.05.
Two, experimental result
(1) RFG reduces weight, epididymal adipose tissues and the liver weight of the obesity mice of HFD induction
Compared with HFD group, weight, the epididymis of HFD+RFG (50mg/kg/ days) groups and HFD+RFG (100mg/kg/ days) groups Fat and liver weight all significantly reduce.As shown in fig. 7, HFD+RFG group mouse weight is significantly lower than HFD group.The weight gain of ND group 25.41 ± 0.86g of 8.27 ± 1.09g, HFD group weight gain.And (100mg/KG/ days) 13.17 ± 1.53g of group weight gain of HFD+RFG.Knot Fruit shows dose-dependently reduce weight gain using RFG.If Fig. 8 is shown, RFG treated mouse in dosage according to Reduce eWAT and liver weight with relying property.
(2) RFG significantly improves the disorders of lipid metabolism of the obesity mice of HFD induction
As shown in figure 9, compared with normal group, TC, HDL, LDL level in HFD group serum are all significantly higher than normal group, and TG level is then substantially less than normal group, shows that the obesity mice lipid metaboli of HFD induction gets muddled.After RFG drug-treated, blood Rouge testing result is shown: RFG can be effectively improved the disorders of lipid metabolism of the obesity mice of HFD induction, reduce TC and LDL level (p < 0.05).Compared with HFD group, liver renal toxicity is not caused within oral RFG10 weeks.
(3) RFG mitigates the liver fat sample lesion of the obesity mice of HFD induction
H&E coloration result shows that such as Figure 10, compared with normal group, HFD group fat cell is significantly increased, and HFD+RFG group Fat cell increase can be significantly inhibited.The fat cell size of HFD group is 5944+414 μm 2, and with HFD+RFG (50mg/kg/ It) and HFD+RFG (100mg/kg/ days) group fat cell size be respectively 4079 ± 305 μm 2 and 2813 ± 169 μm 2.By This is as it can be seen that RFG can improve liver fat sample lesion.
The obesity mice loss of weight effect for reducing fat mechanism that 5 rubrofusarin -6-O- β of embodiment-O-gentibioside induces HFD Research
One, experiment content
(1) RNA extraction and PCR
The total serum IgE in liver and eWAT is extracted with the operating procedure of QIAzol lytic reagent box.With the total serum IgE extracted It is carried out according to the application method that kit describes using power cDNA synthetic agent box for the template for synthesizing the first chain of cDNA Reverse transcription.With Step One Plus real-time fluorescence quantitative RT-PCR system detection PCR product, and it is soft using Step One v2.1 Part is used as endogenous control with GAPGH and h36B4, compares the relative expression levels that CT method determines PPAR γ and C/EBP α.Target The upstream primer and downstream primer of cDNA amplification are as shown in table 1.
(2) western blot analysis
Induction differentiation liver and eWAT tissue are cracked with extracting solution of protein, protein concentration is measured with Bradford method.It takes After protein example adds sample-loading buffer denatured by boiling, 10%SDS-PAGE electrophoresis, stock mould are carried out, with 5% skimmed milk power TBST closes 2h, is separately added into primary antibody, and 4 DEG C are overnight, and 0.1%TBST is washed film 3 times, after being handled with secondary antibodies appropriate, ECL development is carried out with chemiluminescence gel imaging system.Ribbon density is measured with Image-J software.
(3) statistical method
As a result indicate that statistical method is examined with t with the average value ± SD of independent experiment.All statistical results are united with SPSS Count software analysis.Significant difference is shown as p < 0.05.
Two, experimental result
(1) RFG is to PPAR γ and C/EBP α regulatory mechanism
As shown in figure 11, in eWAT and liver organization, RFG processing significantly suppresses PPAR γ and C/EBP α protein expression It is expressed with mRNA.This result shows that, RFG, which may pass through, inhibits PPAR γ and the C/EBP α in eWAT and liver organization to inhibit rouge The increase of fat cell.
Shown in as shown in the figure 10, the liver ratio ND group of adipohepatic HFD group has more fat drips.However pass through RFG administration, the accumulation of fat drips are eased.
(3) RFG activates AMPK access that fat is inhibited to generate
Shown in as shown in the figure 12, compared with HFD group, RFG processing increases the AMPK phosphorylation in eWAT and inhibits The phosphorylation of mTOR has activated the phosphorylation of LKB1.In addition, RFG has significantly lowered the mRNA expression of FAS, LPL and aP2.Such as figure It is consistent with the result of eWAT shown in shown 13, the phosphorylation of RFG adjusting AMPK, LKB and mTOR same to the processing of liver, and The mRNA expression for inhibiting FAS, LPL and aP2 in liver, to inhibit the generation of fat cell.
6 rubrofusarin -6-O- β of embodiment-O-gentibioside and cassia seed extract lower blood-fat and reduce weight comparative test
According to method in above-described embodiment 4, rubrofusarin -6-O- β-O-gentibioside is subtracted with cassia seed extract lipid-loweringing Fertilizer effect (the influence to HFD obesity-induced mice weight, liver and epididymis tissue weight, to HFD obesity-induced mice blood lipid Influence) the horizontal comparative test of animal is carried out, test data is as follows:
2 rubrofusarin -6-O- β of table-O-gentibioside and cassia seed extract are to experiment mice weight, liver and epididymis The influence of tissue weight
3 rubrofusarin -6-O- β of the table-influence of O-gentibioside and cassia seed extract to experiment mice blood lipid
Unit: mg/dl
The above results show that the same dose of RFG lower blood-fat and reduce weight effects are substantially better than the lower blood-fat and reduce weight of cassia seed extract Effect.
The basic principles, main features and the advantages of the invention have been shown and described in above embodiments.The industry Technical staff it should be appreciated that the present invention is not limited to the above embodiments, what is described in the above embodiment and the description is only Illustrate the principle of the present invention, rather than limits the scope of the invention in any way, without departing from the scope of the invention, Various changes and improvements may be made to the invention, these changes and improvements are both fallen in claimed range.The present invention claims guarantors Shield range is defined by the appending claims and its equivalent thereof.

Claims (6)

1. 1 naphthopyrone glucoside compound rubrofusarin -6-O- β of formula-O-gentibioside is in preparation lipid-lowering diet drug Application.
2. compound rubrofusarin -6-O- β-O-gentibioside according to claim 1 with it is medically acceptable medicinal The pharmaceutical preparation that auxiliary material is prepared into.
3. pharmaceutical preparation according to claim 2, it is characterised in that preparation formulation is tablet, capsule, oral solution, particle Agent and freeze drying powder injection.
4. rubrofusarin -6-O- β-O-gentibioside described in claim 1 can be by reducing mTOR, PPAR γ and C/EBP α Targeting inhibits the lipid accumulation of 3T3-L1 and hAMSCs cell.
5. rubrofusarin -6-O- β-O-gentibioside described in claim 1 can adjust Adipogenesis correlation factor by AMPK Expression, inhibit lipid accumulation signal path.
6. rubrofusarin -6-O- β-O-gentibioside described in claim 1 can lose weight the big of increase, eWAT and fatty liver It is small;Fat is inhibited to generate the factor (PPAR γ, C/EBP α, FAS, LPL and aP2) by the AMPK in activation eWAT and liver.
CN201811349282.0A 2018-11-04 2018-11-04 Application of rubrofusarin-6-O-beta-gentiobioside in preparation of lipid-lowering and weight-losing medicine Active CN109731003B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811349282.0A CN109731003B (en) 2018-11-04 2018-11-04 Application of rubrofusarin-6-O-beta-gentiobioside in preparation of lipid-lowering and weight-losing medicine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811349282.0A CN109731003B (en) 2018-11-04 2018-11-04 Application of rubrofusarin-6-O-beta-gentiobioside in preparation of lipid-lowering and weight-losing medicine

Publications (2)

Publication Number Publication Date
CN109731003A true CN109731003A (en) 2019-05-10
CN109731003B CN109731003B (en) 2021-09-10

Family

ID=66355523

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811349282.0A Active CN109731003B (en) 2018-11-04 2018-11-04 Application of rubrofusarin-6-O-beta-gentiobioside in preparation of lipid-lowering and weight-losing medicine

Country Status (1)

Country Link
CN (1) CN109731003B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1468536A (en) * 2003-03-03 2004-01-21 Blood pressure and blood fat lowering herbal food
CN107200760A (en) * 2016-04-06 2017-09-26 长沙博海生物科技有限公司 A kind of preparation method of high-purity rubrofusarin -6-O- β-O-gentibioside

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1468536A (en) * 2003-03-03 2004-01-21 Blood pressure and blood fat lowering herbal food
CN107200760A (en) * 2016-04-06 2017-09-26 长沙博海生物科技有限公司 A kind of preparation method of high-purity rubrofusarin -6-O- β-O-gentibioside

Also Published As

Publication number Publication date
CN109731003B (en) 2021-09-10

Similar Documents

Publication Publication Date Title
CN103222988B (en) A kind of American-cockroach-extract and its preparation method and application
CN107441078B (en) A kind of pharmaceutical composition and its preparation method and application for treating diabetes
CN106236801A (en) Pseudo-ginseng activity medicine that super-micro wall-broken crushing technology is made and health product and preparation method thereof
Yang et al. Inhibitory effects of cocoa tea (Camellia ptilophylla) in human hepatocellular carcinoma HepG2 in vitro and in vivo through apoptosis
CN106008172A (en) Preparation method and application of effective part with tyrosinase inhibition effect in mulberry twigs
CN106176918A (en) A kind of Hyperglycemic health care compositions comprising leaf of Cyclocarya paliurus Iljinskaja and Radix Puerariae
Im et al. Bioactivity-guided isolation and identification of anti-adipogenic compounds from Sanguisorba officinalis
CN109078011A (en) The application of iris aglycone and its derivative in prevention and treatment insulin resistance disease medicament
CN103269706A (en) Anti-cancer extract and compounds
CN103933203A (en) Compound haemopoietic capsule for treating aplastic anemia and preparation method thereof
CN105012329B (en) It is a kind of for treating the drug of type-II diabetes
CN108125946A (en) Application of the dihydromyricetin in terms of kidney medicine is prepared
CN109674866A (en) A kind of anti-human primary gastrointestinal cancers pharmaceutical composition, preparation method and applications
CN107213145A (en) Application of the Rabdocetsin B in the product for suppressing esophageal squamous cell cancer cell multiplication is prepared
CN103142774B (en) Application of total saponin extract of lobedfruit schizocapsarhizome in treatment of liver cancer and nasopharyngeal carcinoma
CN110123827A (en) A kind of pharmaceutical composition and its preparation method and application treated by metabolic disorder associated diseases
CN110656083A (en) Pre-adipocyte brown induction kit
CN109731003A (en) Application of the rubrofusarin -6-O- β-O-gentibioside in preparation lipid-lowering diet drug
CN105560308B (en) Flower of JINHUAKUI is preparing the application in the product for preventing and treating prostatic disorders
CN109771411A (en) Dihydroquercetin is used to prepare the purposes in the drug for the treatment of fatty liver
CN102266428B (en) Anti-ageing Chinese medicinal composition and preparation method and application thereof
CN101744795B (en) Medicinal composition for treating nevus flammeus and preparation method thereof
CN101474346A (en) Longstamen onion bulb extract as well as preparation method and application thereof
CN108403683A (en) Application of the rosin spirit in preparing the product that prevention oxidative stress induces an illness
KR20150077794A (en) Anti-obesity composition comprising herbal extracts as an active ingredient

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant