CN109988086A - A kind of micromolecular inhibitor AZIN30 and its application in pharmacy - Google Patents
A kind of micromolecular inhibitor AZIN30 and its application in pharmacy Download PDFInfo
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- CN109988086A CN109988086A CN201910272991.1A CN201910272991A CN109988086A CN 109988086 A CN109988086 A CN 109988086A CN 201910272991 A CN201910272991 A CN 201910272991A CN 109988086 A CN109988086 A CN 109988086A
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- azin30
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C311/00—Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
- C07C311/22—Sulfonamides, the carbon skeleton of the acid part being further substituted by singly-bound oxygen atoms
- C07C311/29—Sulfonamides, the carbon skeleton of the acid part being further substituted by singly-bound oxygen atoms having the sulfur atom of at least one of the sulfonamide groups bound to a carbon atom of a six-membered aromatic ring
Abstract
The present invention provides a kind of micromolecular inhibitor AZIN30, the structural formula of the micromolecular inhibitor are as follows:Application of the present invention by the micromolecular inhibitor AZIN30 on the drug that preparation inhibits antienzyme inhibiting factor.As the result is shown: AZIN30 inhibits human prostata cancer PC3 cell Proliferation, reduces intracellular ODC albumen and polyamine content, changes PC3 cell growth cycle, while inducing PC3 apoptosis.
Description
Technical field
The present invention provides a kind of micromolecular inhibitor for inhibiting antienzyme inhibiting factor, while the micromolecular inhibitor being used for
Application on the drug of preparation treatment tumor disease.
Background technique
Polyamines is the basic regulator of cell growth and development, and the precision control to Polyamine Metabolism is normal activities institute
It is required.The study found that Polyamine Metabolism imbalance and a variety of diseases, including cancer, inflammation, atherosclerosis, apoplexy, kidney failure and
The generation of diabetes etc. and development are closely related.The quick division of cell is highly dependent on intracellular polyamine content, thus swells
Also conspicuousness is higher than normal cell to total polyamine content in oncocyte.The study found that the raising of intracellular polyamine level can promote to swell
Tumor growth and invasion transfer, and tumor cell proliferation can be inhibited by reducing polyamine content then, thus regulate and control Polyamine Metabolism approach
Important means as treatment and prevention of tumour.
Under normal physiological conditions, intracellular polyamine content is regulated and controled by complicated synthesis, catabolism and transporting mechanism,
Since polyamines anabolism rate-limiting enzyme ODC plays most important effect in control intracellular polyamine content, thus to the enzyme tune
The research of control is also the most deep.Antienzyme (antizyme, AZ) is intracellular naturally occurring ODC inhibiting factor, it passes through dual
The intracellular polyamine level of effects: (1) forming heterodimer in conjunction with ODC and accelerates its degradation, thus closes ODC activity
It is synthesized with intracellular polyamine is reduced；(2) in conjunction with the polyamine transport carrier on cell membrane, thus inhibit more in extracellular environment
Amine is shifted to intracellular.Intracellular AZ activity is simultaneously again by another factor, antienzyme inhibiting factor (antizyme
Inhibitor, AZIN) adjusting, AZIN forms heterodimer with higher affinity and AZ, and thus competitive release is caught by AZ
The ODC that obtains simultaneously restores its activity.In addition, intracellular polyamine content is to influence the active another key factor of AZ, high Concentrations of Polyamines
Functional AZ protein molecular can be synthesized and inducing a kind of special frame-shift translation mechanism.Therefore, exist into the cell it is a kind of with
AZ-AZIN is the ODC regulated and control network of core, is ideal polyamines regulatory molecule target spot.
It is on cellular level the study found that being with difluoromethylornithine (difluoromethylormithine, DFMO)
The ODC inhibitor of representative can exhaust intracellular polyamine by closing ODC activity, thus inhibit tumor cell proliferation and induce swollen
Apoptosis of tumor.But these inhibitor for being directly targeted ODC are used for clinical unsatisfactory curative effect as anti-tumor drug, study carefully its original
Cause, first is that these drugs need high dose to use, the side effect for thus bringing patient to be difficult to bear, second is that working as intracellular polyamines
After synthesis is suppressed, the polyamines in extracellular environment can pass through the polyamine transport carrier (polyamine on cell membrane
Transport) enter cell and it is compensatory into the cell by synthesize inhibit caused by polyamine content decline.Exploration is new as a result, to press down
The active method of ODC processed and approach, become the research hotspot in the field, have important clinical meaning and application prospect.
Summary of the invention:
The purpose of the present invention, be using in the regulated and control network AZ and AZIN as molecular target, with area of computer aided drug
Designing technique designs and screens a kind of AZIN inhibitor, interferes the interaction of AZ-AZIN, reduces intracellular ODC and polyamines
Level can be used for preparing the drug for the treatment of tumour.
The concrete structure formula of micromolecular inhibitor AZIN30 are as follows:
Application of the micromolecular inhibitor AZIN30 on the drug that preparation inhibits antienzyme inhibiting factor.
Application of the micromolecular inhibitor AZIN30 on the drug that preparation inhibits human prostata cancer.
The preparation inhibits the application on the drug of human prostata cancer, specifically inhibits human prostata cancer PC3 in preparation
Application on the drug of cell growth and breeding.
Detailed description of the invention
The Pharmacophore Model of Fig. 1 screening AZIN micromolecular inhibitor.
The variation of Fig. 2 Western blot detection intracellular ODC, AZ-1, AZIN-1 protein content of PC3.
Fig. 3 HPLC detects the content of PC3 intracellular polyamine, * *: p < 0.01, *: p < 0.05.
Fig. 4 mtt assay detects small-molecule drug AZIN30 to PC3 cell growth inhibition.
Fig. 5 flow cytometry detects influence of the small-molecule drug AZIN30 to PC3 cell growth cycle.
Fig. 6 Flow cytometry small-molecule drug AZIN30 induces PC3 Apoptosis.
Specific embodiment:
A kind of micromolecular inhibitor AZIN30, concrete structure formula are as follows:
Pharmacophore the selection result
With the crystal structure (3BTN.pdb) of AZIN for initial configuration, being found using pocket detecting module may in receptor
Binding site, have found 5 possible binding sites altogether.In conjunction with the accidental data of AZ and AZIN combination interface, packet has been selected
The most pocket of residue containing combination interface is for further screening micromolecular inhibitor.With the crucial amino of determining active site
Based on sour residue feature, the Pharmacophore Model (Fig. 1) of pharmacophore method building binding pocket is utilized.Utilize the pharmacophore of building
SPECS compound database is screened in pattern search, and final purchase obtains AZIN30 compound.
The influence of micromolecular inhibitor AZIN30 ODC, AZ, AZIN and polyamine content intracellular to PC3
1. the variation of Western blot detection intracellular ODC, AZ-1 and AZIN-1 protein content of PC3
Collect drug-treated cell and cellular control unit, and with RIPA cell pyrolysis liquid cracking half an hour after, through from
Albumen is collected after centrifugation with 12000rmp in scheming, after through BCA standard measure albumen.Then with the albumen of every group of equivalent through electrophoresis point
From rear, electrotransfer to pvdf membrane, with 5% skim milk (20mmol/L Tris-HCl, 150mmol/L NaCl, 0.05%
Tween-20, pH7.4) closing one hour after, with anti-ODC, AZIN-1 and AZ-1 monoclonal antibody be incubated overnight, afterwards with it is polyclonal
Antibody at room temperature is incubated for one hour.Pass through machine testing expressing quantity on ECL.As a result as shown in Fig. 2, compared with control cell,
ODC protein content significantly reduces, and prompts our AZIN30 that can effectively interfere the interaction between AZ and AZIN albumen, accelerates
The degradation of ODC, to reduce the content of ODC albumen in cell.
2.HPLC detects influence of the AZIN30 to polyamine content in human prostata cancer PC3 cell
The cell and cellular control unit for collecting drug-treated are cracked after obtaining albumen with RIPA cell pyrolysis liquid, are passed through
Polyamines is extracted after benzoylation reaction, and passes through 2695 type high performance liquid chromatograph of Waters, 2489UV/Vis type array detection
Device and MYC chromatographic column (150mmx4.6mm, 5 μm), with acetonitrile-water (40:60), flow velocity 1.0mL/min, 254nm and room temperature (column
Temperature) under conditions of detect polyamine content.The results show that spermine content subtracts in cell after AZIN30 processing compared with control cell
It is few, show AZIN30 interference cellular polyamine metabolism, as shown in Figure 3.
Micromolecular inhibitor AZIN30 antitumor activity
AZIN30 effectively inhibits the growth and breeding of human prostata cancer PC3 cell
The PC3 cell of logarithmic growth phase is with 4 × 103The concentration in a/hole is inoculated with 96 porocyte culture plates, after culture for 24 hours,
1640 culture mediums containing small-molecule drug AZIN30 are added into cell hole respectively, the final concentration of AZIN30 is made to be respectively 0 μM,
12.5 μM, 25 μM, 50 μM, 75 μM and 100 μM (every group sets 4 multiple holes).It is equipped with not dosing control group and blank group simultaneously.Respectively
Continuing culture for 24 hours, after 48h and 72h, removing cell culture medium in culture plate, the MTT reagent of final concentration of 0.2g/L is added,
After 37 DEG C of incubation 4h plus 150 μ L of DMSO, concussion measure the absorbance value at 570nm after mixing.Cell proliferation inhibition rate=(A pairs
According to hole-A experimental port)/A control wells × 100%.
Mtt assay detects SLD9059 to the inhibiting effect of A549 cell, and all concentration No. AZIN30 can show as the result is shown
The growth (P < 0.05) for inhibiting PC3 cell is write, and the growth of PC3 is increased as the concentration of drug increases inhibiting effect, and with
The time growth inhibition effect increase (P < 0.05) (Fig. 4).
Micromolecular inhibitor AZIN30 Anticancer Effect and Mechanism research
1.AZIN30 changes human prostata cancer PC3 cell growth cycle
The PC3 cell of logarithmic growth phase is with 1.3 × 105The concentration in a/hole is inoculated in 6 porocyte culture plates, and culture is for 24 hours
Afterwards, 1640 culture mediums containing small-molecule drug AZIN30 are added into cell hole, make final concentration of 72 μM of AZIN30, simultaneously
Equipped with not dosing control group, two groups handle 48h.It is according to cell cycle detection kit specification processing cell and thin through streaming
Born of the same parents' instrument detects the cell cycle.The result shows that: AZIN30 can cause the PC3 cell S phase to block (Fig. 5), be increased to by 21.5%
35.78% (P < 0.05).
2.AZIN30 induces human prostata cancer PC3 apoptosis
The PC3 cell of logarithmic growth phase is with 1.3 × 105The concentration in a/hole is inoculated in 6 porocyte culture plates, and culture is for 24 hours
Afterwards, 1640 culture mediums containing small-molecule drug AZIN30 are added into cell hole, make final concentration of 72 μM of AZIN30, simultaneously
Equipped with not dosing control group, two groups handle 48h.Cell is handled according to apoptosis kit specification, and through fluidic cell
Instrument detects Apoptosis situation.As a result such as Fig. 6: compared with control cell, viable apoptotic cell (AnnexinV+/PI-) ratio from
1.15% increases to 38.6%, and non-viable apoptotic cell (AnnexinV+/PI+) ratio increases to 12.3% from 1.87%.Prompt
AZIN30 effectively induces PC3 apoptosis.
Claims (4)
1. a kind of micromolecular inhibitor AZIN30, which is characterized in that the structural formula of the micromolecular inhibitor are as follows:
2. application of the micromolecular inhibitor AZIN30 described in claim 1 on the drug that preparation inhibits antienzyme inhibiting factor.
3. application of the micromolecular inhibitor AZIN30 described in claim 1 on the drug that preparation inhibits human prostata cancer.
4. application as claimed in claim 3, which is characterized in that specifically inhibit human prostata cancer PC3 cell growth and breeding in preparation
Drug on application.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023113461A1 (en) * | 2021-12-15 | 2023-06-22 | 한국기초과학지원연구원 | Pharmaceutical composition for preventing or treating cancer |
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| US20110112098A1 (en) * | 2008-04-09 | 2011-05-12 | Piona Dariavach | Molecules inhibiting a metabolic pathway involving the syk protein tyrosine kinase and method for identifying said molecules |
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| CN101948541A (en) * | 2005-06-20 | 2011-01-19 | 健泰科生物技术公司 | Compositions and methods for the diagnosis and treatment of tumor |
| US20110112098A1 (en) * | 2008-04-09 | 2011-05-12 | Piona Dariavach | Molecules inhibiting a metabolic pathway involving the syk protein tyrosine kinase and method for identifying said molecules |
| CN103491956A (en) * | 2010-09-13 | 2014-01-01 | 麦克罗拜奥提斯公司 | Inhibitors of viral entry into mammalian cells |
| US20150072998A1 (en) * | 2012-04-16 | 2015-03-12 | Case Western Reserve University | Compositions and methods of modulating 15-pgdh activity |
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| WO2023113461A1 (en) * | 2021-12-15 | 2023-06-22 | 한국기초과학지원연구원 | Pharmaceutical composition for preventing or treating cancer |
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