CN107982541A - 抗坏血酸修饰的新型脑靶向磁性纳米粒的制备 - Google Patents
抗坏血酸修饰的新型脑靶向磁性纳米粒的制备 Download PDFInfo
- Publication number
- CN107982541A CN107982541A CN201711220660.0A CN201711220660A CN107982541A CN 107982541 A CN107982541 A CN 107982541A CN 201711220660 A CN201711220660 A CN 201711220660A CN 107982541 A CN107982541 A CN 107982541A
- Authority
- CN
- China
- Prior art keywords
- ascorbic acid
- nano particle
- magnetic nano
- brain targeting
- medicine
- 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
Links
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 title claims abstract description 72
- 239000002122 magnetic nanoparticle Substances 0.000 title claims abstract description 42
- 210000004556 brain Anatomy 0.000 title claims abstract description 39
- 235000010323 ascorbic acid Nutrition 0.000 title claims abstract description 32
- 239000011668 ascorbic acid Substances 0.000 title claims abstract description 32
- 229960005070 ascorbic acid Drugs 0.000 title claims abstract description 32
- 230000008685 targeting Effects 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title abstract description 15
- 238000012986 modification Methods 0.000 title abstract description 13
- 230000004048 modification Effects 0.000 title abstract description 12
- 239000003814 drug Substances 0.000 claims abstract description 40
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 19
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 16
- 210000003169 central nervous system Anatomy 0.000 claims abstract description 15
- 229940079593 drug Drugs 0.000 claims abstract description 15
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 6
- 229910006297 γ-Fe2O3 Inorganic materials 0.000 claims abstract description 5
- 229910002518 CoFe2O4 Inorganic materials 0.000 claims abstract description 4
- 229910017163 MnFe2O4 Inorganic materials 0.000 claims abstract description 4
- 229910001308 Zinc ferrite Inorganic materials 0.000 claims abstract description 4
- 150000003839 salts Chemical class 0.000 claims abstract description 3
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 claims abstract description 3
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 claims abstract description 3
- HEFNNWSXXWATRW-UHFFFAOYSA-N Ibuprofen Chemical compound CC(C)CC1=CC=C(C(C)C(O)=O)C=C1 HEFNNWSXXWATRW-UHFFFAOYSA-N 0.000 claims description 9
- VYFYYTLLBUKUHU-UHFFFAOYSA-N Dopamine Natural products NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 claims description 6
- 229960003638 dopamine Drugs 0.000 claims description 4
- GDSOZVZXVXTJMI-SNAWJCMRSA-N (e)-1-methylbut-1-ene-1,2,4-tricarboxylic acid Chemical compound OC(=O)C(/C)=C(C(O)=O)\CCC(O)=O GDSOZVZXVXTJMI-SNAWJCMRSA-N 0.000 claims description 2
- CMWTZPSULFXXJA-UHFFFAOYSA-N Naproxen Natural products C1=C(C(C)C(O)=O)C=CC2=CC(OC)=CC=C21 CMWTZPSULFXXJA-UHFFFAOYSA-N 0.000 claims description 2
- -1 carboxy, hydroxyl Chemical group 0.000 claims description 2
- 229960002009 naproxen Drugs 0.000 claims description 2
- CMWTZPSULFXXJA-VIFPVBQESA-N naproxen Chemical compound C1=C([C@H](C)C(O)=O)C=CC2=CC(OC)=CC=C21 CMWTZPSULFXXJA-VIFPVBQESA-N 0.000 claims description 2
- 125000003368 amide group Chemical group 0.000 claims 1
- 230000009977 dual effect Effects 0.000 claims 1
- 229960000967 memantine hydrochloride Drugs 0.000 claims 1
- LDDHMLJTFXJGPI-UHFFFAOYSA-N memantine hydrochloride Chemical compound Cl.C1C(C2)CC3(C)CC1(C)CC2(N)C3 LDDHMLJTFXJGPI-UHFFFAOYSA-N 0.000 claims 1
- PNVNVHUZROJLTJ-UHFFFAOYSA-N venlafaxine Chemical compound C1=CC(OC)=CC=C1C(CN(C)C)C1(O)CCCCC1 PNVNVHUZROJLTJ-UHFFFAOYSA-N 0.000 claims 1
- 229960004688 venlafaxine Drugs 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 208000015114 central nervous system disease Diseases 0.000 abstract description 6
- 150000001875 compounds Chemical class 0.000 description 12
- 230000008499 blood brain barrier function Effects 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 8
- 238000009826 distribution Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 210000004027 cell Anatomy 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 210000001218 blood-brain barrier Anatomy 0.000 description 5
- 238000012377 drug delivery Methods 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002105 nanoparticle Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000005160 1H NMR spectroscopy Methods 0.000 description 4
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 239000005642 Oleic acid Substances 0.000 description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- 229930003268 Vitamin C Natural products 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000001727 in vivo Methods 0.000 description 4
- 238000002329 infrared spectrum Methods 0.000 description 4
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 4
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 4
- 210000000056 organ Anatomy 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 230000001225 therapeutic effect Effects 0.000 description 4
- 235000019154 vitamin C Nutrition 0.000 description 4
- 239000011718 vitamin C Substances 0.000 description 4
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 3
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 3
- 229960000549 4-dimethylaminophenol Drugs 0.000 description 3
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 3
- 238000002835 absorbance Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000012512 characterization method Methods 0.000 description 3
- 239000001963 growth medium Substances 0.000 description 3
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229940021182 non-steroidal anti-inflammatory drug Drugs 0.000 description 3
- 210000002381 plasma Anatomy 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 231100000419 toxicity Toxicity 0.000 description 3
- 230000001988 toxicity Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- KUDUQBURMYMBIJ-UHFFFAOYSA-N 2-prop-2-enoyloxyethyl prop-2-enoate Chemical compound C=CC(=O)OCCOC(=O)C=C KUDUQBURMYMBIJ-UHFFFAOYSA-N 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 108010078791 Carrier Proteins Proteins 0.000 description 2
- ZDZOTLJHXYCWBA-VCVYQWHSSA-N N-debenzoyl-N-(tert-butoxycarbonyl)-10-deacetyltaxol Chemical compound O([C@H]1[C@H]2[C@@](C([C@H](O)C3=C(C)[C@@H](OC(=O)[C@H](O)[C@@H](NC(=O)OC(C)(C)C)C=4C=CC=CC=4)C[C@]1(O)C3(C)C)=O)(C)[C@@H](O)C[C@H]1OC[C@]12OC(=O)C)C(=O)C1=CC=CC=C1 ZDZOTLJHXYCWBA-VCVYQWHSSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000006838 adverse reaction Effects 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 210000001175 cerebrospinal fluid Anatomy 0.000 description 2
- 238000004440 column chromatography Methods 0.000 description 2
- 229940125782 compound 2 Drugs 0.000 description 2
- 229940126214 compound 3 Drugs 0.000 description 2
- 229940125898 compound 5 Drugs 0.000 description 2
- 231100000135 cytotoxicity Toxicity 0.000 description 2
- 230000003013 cytotoxicity Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000003937 drug carrier Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 208000024827 Alzheimer disease Diseases 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 201000006474 Brain Ischemia Diseases 0.000 description 1
- 208000003174 Brain Neoplasms Diseases 0.000 description 1
- 208000014644 Brain disease Diseases 0.000 description 1
- 102000014914 Carrier Proteins Human genes 0.000 description 1
- 206010008120 Cerebral ischaemia Diseases 0.000 description 1
- VGCXGMAHQTYDJK-UHFFFAOYSA-N Chloroacetyl chloride Chemical compound ClCC(Cl)=O VGCXGMAHQTYDJK-UHFFFAOYSA-N 0.000 description 1
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- 239000006144 Dulbecco’s modified Eagle's medium Substances 0.000 description 1
- 229910017135 Fe—O Inorganic materials 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 229910021577 Iron(II) chloride Inorganic materials 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 241000699666 Mus <mouse, genus> Species 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- 239000007832 Na2SO4 Substances 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 208000018737 Parkinson disease Diseases 0.000 description 1
- 229920002593 Polyethylene Glycol 800 Polymers 0.000 description 1
- 206010067130 Spastic diplegia Diseases 0.000 description 1
- GUGOEEXESWIERI-UHFFFAOYSA-N Terfenadine Chemical group C1=CC(C(C)(C)C)=CC=C1C(O)CCCN1CCC(C(O)(C=2C=CC=CC=2)C=2C=CC=CC=2)CC1 GUGOEEXESWIERI-UHFFFAOYSA-N 0.000 description 1
- 206010000059 abdominal discomfort Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 208000005298 acute pain Diseases 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 230000037354 amino acid metabolism Effects 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000001387 anti-histamine Effects 0.000 description 1
- 230000003110 anti-inflammatory effect Effects 0.000 description 1
- 239000000739 antihistaminic agent Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000008827 biological function Effects 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 210000000133 brain stem Anatomy 0.000 description 1
- 210000005013 brain tissue Anatomy 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 206010008118 cerebral infarction Diseases 0.000 description 1
- 206010008129 cerebral palsy Diseases 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 208000022371 chronic pain syndrome Diseases 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 229960003668 docetaxel Drugs 0.000 description 1
- 206010014599 encephalitis Diseases 0.000 description 1
- 150000002083 enediols Chemical class 0.000 description 1
- 206010015037 epilepsy Diseases 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 229960001680 ibuprofen Drugs 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 239000002502 liposome Substances 0.000 description 1
- 239000011553 magnetic fluid Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000002595 magnetic resonance imaging Methods 0.000 description 1
- 231100000417 nephrotoxicity Toxicity 0.000 description 1
- 230000004770 neurodegeneration Effects 0.000 description 1
- 208000015122 neurodegenerative disease Diseases 0.000 description 1
- 239000004090 neuroprotective agent Substances 0.000 description 1
- 239000002858 neurotransmitter agent Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000041 non-steroidal anti-inflammatory agent Substances 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229940126586 small molecule drug Drugs 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 230000003637 steroidlike Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 229940063683 taxotere Drugs 0.000 description 1
- 229940124597 therapeutic agent Drugs 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 210000004881 tumor cell Anatomy 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/13—Amines
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/13—Amines
- A61K31/135—Amines having aromatic rings, e.g. ketamine, nortriptyline
- A61K31/137—Arylalkylamines, e.g. amphetamine, epinephrine, salbutamol, ephedrine or methadone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/192—Carboxylic acids, e.g. valproic acid having aromatic groups, e.g. sulindac, 2-aryl-propionic acids, ethacrynic acid
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K41/00—Medicinal preparations obtained by treating materials with wave energy or particle radiation ; Therapies using these preparations
- A61K41/0052—Thermotherapy; Hyperthermia; Magnetic induction; Induction heating therapy
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Emergency Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Medicinal Preparation (AREA)
Abstract
本发明公开了一种以抗坏血酸修饰的新型脑靶向磁性纳米粒的制备,为通式(I)所示结构或其药学上可接受的盐或水合物:,其中:X代表羧基化的聚乙二醇PEG,可以是三甘醇、四甘醇或聚乙二醇PEG分子量为200、400、600、800、1000、1500、2000、4000等;Y代表‑(CH2)a‑、‑C(O)‑(CH2)a‑C(O)‑或‑O‑(CH2)b‑、‑NH‑(CH2)b‑、‑C(O)‑(CH2)b‑、‑C(O)‑(CH2)b‑C(O)‑,a表示0~6,b表示1~4;MNPs代表Fe3O4、γ‑Fe2O3、MnFe2O4、CoFe2O4和ZnFe2O4等;Drug代表可作用于中枢神经系统的药物。本发明提供一种以抗坏血酸修饰的新型脑靶向磁性纳米粒的制备方法,可作为载体用于中枢神经系统疾病的治疗,既有四氧化三铁纳米粒的磁靶向作用,还有抗坏血酸的主动脑靶向作用。
Description
技术领域
本发明涉及一种新型脑靶向磁性纳米粒的制备方法,属于医药技术领域。
背景技术
据统计,全球约有1/5的人口患有不同种类和程度的中枢神经系统(CNS)疾病,这些疾病包括脑肿瘤、急性或慢性疼痛综合症、癫痫、脑炎、脑缺血以及神经衰退性疾病(如:阿尔茨海默症、帕金森氏症等)。随着世界人口的老龄化,这一趋势将会更加严重,并且会对人类的健康造成严重的影响。血脑屏障(BBB)的存在对人类中枢神经系统起到了一定的保护作用,但同时也限制了许多物质从血液中进入脑部。几乎所有大分子和95%的小分子药物都不能有效进入大脑及中枢神经系统,这使得对CNS有效的药物很难进入CNS病灶部位并呈现有效的药物浓度从而达到治疗效果。
据报道非甾体抗炎药(Non-Steroidal Anti-Inflammatory Drugs,NSAIDs)如布洛芬、萘普生等神经保护剂已经被广泛用于治疗CNS疾病,也可用作慢性摄入型非甾体抗炎药。例如,布洛芬能够降低CNS疾病的风险,甚至能够延缓CNS疾病的发病,所以布洛芬在治疗CNS紊乱方面具有广阔发展前景。但是,由于布洛芬的低渗透性,在CNS中的分布有限,有效的治疗浓度低,为了达到较好的治疗效果需要增加药物的剂量,使药物在体内达到一个较高的浓度,但与此同时其它器官的药物浓度也会增加,毒副反应也随之增加,对身体产生更大的危害。长期使用这些药物,便会产生不同程度的胃肠道不适,头晕,头痛,甚至肾毒性等的不良反应。这些不良反应主要是由于药物在体内的分布,当药物在外周器官分布较多时,容易产生各种毒副反应,同时也降低了其在脑组织中的分布比例,所以布洛芬的临床应用受到了很大限制。因此,为了治疗CNS疾病,需要找到一种有效的策略以提高布洛芬的在大脑中的输运能力。
血-脑屏障(blood-brain barrier, BBB)是存在于血-脑,血-脑脊液(BCB)及脑-脑脊液之间选择性控制进入脑脊液和脑的物质,作为血液与中枢神经系统之间的调节界面,对维持中枢神经系统内的环境恒定有至关重要的作用。这使得对CNS有效的药物很难进入CNS病灶部位并呈现有效的药物浓度从而达到治疗效果。因此对跨BBB给药方式的研究已经成为治疗CNS疾病的关键。研究表明,这些特异性转运蛋白具有较高的选择性,通常特定的载体蛋白只能转运特定的底物。
抗坏血酸(ascorbic acid),又名维生素C(Vitamin C),具有许多生物学功能,包括:参与氨基酸代谢;神经递质、胶原蛋白和组织细胞间质的合成;增加对感染的抵抗能力;降低毛细血管的通透性,加速血液凝固;并有抗组胺及阻止致癌物质生成的作用等。抗坏血酸在脑内的浓度是其它器官的10倍以上,这源于大脑中GLUT1、SVCT2和少量的SVCT1可以充当抗坏血酸通过血脑屏障的转送体,从而使抗坏血酸在脑内可以维持在一个相对较高的水平。因此,可以将抗坏血酸作为药物脑靶向给药的载体。Christopher P. Corpe等人提到抗坏血酸的C2-OH、C3-OH对于抗坏血酸的转运至关重要,C2和C3中烯二醇上的羟基是抗坏血酸在氧化还原过程中起到还原能力所必须的重要的反应位点,而抗坏血酸中C5和C6上的羟基在转运过程中所起到的作用很小,因此对抗坏血酸的修饰主要集中在这两个位置上。
磁靶向给药系统(magnetic targeting drug delivery system,MTDDS)是指将药物和磁性物质共同包裹于聚合物载体中制成的,应用于体内后利用外加磁场的效应引导药物在体内定向移动和定位集中,在磁场区释放药物,从而起到靶区局部浓集作用或靶区截流作用的药物制剂。20世纪70年代Widder等提出磁控靶向药物传递系统的概念,并首先开展了载药磁性微粒的研究。1994年,德国Lǜbbe等第一次将磁性靶向治疗应用于临床。磁性材料如铁、铁氧化物、镍、钴等通过有机或无机材料的表面修饰、包覆等作用,形成了具有特定功能的复合粒子并广泛用于生物医学领域。氧化铁纳米粒,因具有良好的生物相容性和简易的合成方法,目前已被广泛的研究并应用于生物医学领域,如细胞标记、细胞分离和净化、靶向药物传输、核磁共振成像、肿瘤细胞的磁热治疗等,最具有代表性的氧化铁纳米粒为Fe3O4和γ-Fe2O3,可以在人体组织中通过降解贮存或排出体外,具有良好的生物安全性,是目前临床应用和研究最广泛的磁性纳米粒子。当今国际上报道的用于治疗脑部疾病的磁靶向治疗药物或载体有磁靶向作用,但只能靠扩散作用,而不能特异性的靶向透过BBB,进入脑中发挥治疗作用。如果将磁性纳米粒应用到抗坏血酸修饰的材料上,即形成抗坏血酸介导的脑靶向磁性纳米粒。这类药物不仅克服了磁性纳米粒的无脑靶向性的难题,同时也增加了药物在血脑屏障附近的药物浓度,有利于药物通过抗坏血酸转运进入脑,有望增加药物在脑中的浓度,从而提供更为有效的治疗。
发明内容
本研究的目的是提出一种新型的基于抗坏血酸修饰的具有主动脑靶向的磁性纳米药物载体,以提高药物的脑靶向性,增加药物的中枢浓度,从而增强药物疗效,同时降低了药物在外周器官的分布,减少了药物的毒副作用。因此,我们设计了如通式(I)所示的一类磁性纳米粒,旨在设计并制备这类脑靶向的磁性纳米粒。
本发明提供一类通式(I)所示结构的化合物或其药学上可接受的盐或水合物:
其中:
X代表羧基化的聚乙二醇PEG,可以是三甘醇、四甘醇或聚乙二醇PEG分子量为200、400、600、800、1000、1500、2000、4000等;
Y代表-(CH2)a-、-C(O)-(CH2)a-C(O)-或-O-(CH2)b-、-NH-(CH2)b-、-C(O)-(CH2)b-、-C(O)-(CH2)b-C(O)-,a表示0~6,b表示1~4;
MNPs代表Fe3O4、γ-Fe2O3、MnFe2O4、CoFe2O4和ZnFe2O4等;
Drug代表可作用于中枢神经系统的药物。
通式(I)所示化合物的具体制备方法如下所示:
具体实施方法
但以下实施例旨在说明本发明而不是对本发明的进一步限定。
实施例1
油酸包裹的Fe3O4磁性纳米粒(OA@MNPs)的制备
精密称取 4.00 g FeCl3·6H2O,1.47 g FeCl2·4H2O加入到120 ml的去离子水中,在氮气保护作用下,搅拌溶解完全,然后迅速加入40 ml的 25%的氨水,溶液从黄色变成黑色。向溶液中加入1 ml的油酸(OA),搅拌5 min,再加入到80℃油浴中反应1 h。反应结束后待溶液冷却至室温,离心得黑色沉淀,并用正己烷、甲醇洗涤,得到油酸包裹的Fe3O4磁性纳米粒(OA@MNPs)。
实施例2
多巴胺功能化的Fe3O4磁性纳米粒(DA@MNPs)的制备
称取30 mg前面制备的OA@MNPs纳米颗粒加入到含有100 mg多巴胺(DA)的10 ml的去离子水中,超声30分钟,室温下搅拌反应24小时。离心,并用乙醇洗涤得到多巴胺功能化的Fe3O4磁性纳米粒(DA@MNPs),4℃保存备用。
实施例3
化合物2的制备
取抗坏血酸(1)(24 g, 0.135 mol)于500 ml双颈瓶中,氩气保护,加入干燥的丙酮(150 ml)、乙酰氯(0.6 ml, 7.5 mmol)。室温搅拌24 h,TLC检测反应完全,停止反应。过滤反应液,丙酮洗涤滤饼,干燥,得白色固体2,收率85.3%,mp:202-204°C。
实施例4
化合物3的制备
将化合物2(20 g, 0.108 mol)、K2CO3粉末(37.3 g, 0.27 mol)溶于干燥的丙酮(150ml)室温搅拌20 min,向上混悬液中加入BrBn(30 ml, 0.25 mol),升温回流4 h。减压除去溶剂,依次加入少量水、乙醚,析出白色固体,过滤,冰乙醚洗涤滤饼,干燥,得白色固体3,收率44.1%,mp:200-202°C。
实施例5
化合物4的制备
将化合物3(10 g,25.23 mmol)溶于乙腈(500 ml)中,逐滴加入HCl(2 mol/L, 75 ml),室温搅拌3 h。减压除去溶剂,加入乙酸乙酯(30 ml)溶解,水洗三次,有机层用饱和食盐水洗两次,无水Na2SO4干燥,浓缩得黄色油状物纯品,后缓慢固化为白色固体4,收率99%,mp:67-69 °C。1H-NMR (400 MHz, CDCl3, ppm): δ 2.09 (s, 2H), 3.77 (m, 2H), 3.91 (m,1H), 4.72 (m, 1H), 5.15 (ABq, 4H, J=11.4Hz), 7.22-7.38 (m, 10H)。
实施例6
化合物5的制备
将布洛芬(1.00 g, 4.85 mmol)溶解于20 ml二氯甲烷,置于-5℃下,加入DCC(1.50 g,7.27 mmol)和DMAP(0.12 g, 0.97 mmol),搅拌30 min后,加入化合物4(1.90 g, 5.34mmol),移至室温搅拌过夜。过滤,除去白色固体,滤液浓缩,经柱层析纯化得到白色固体5,1.53 g,收率58%。1H NMR (CDCl3, 400 MHz): δ 0.87 (dd, 6H, J = 2.4 & 6.8 Hz),1.48 (d, 3H, J = 7.2 Hz), 1.79-1.84 (m, 1H), 2.41 (d, 2H, J = 6.4 Hz), 3.72(q, 1H, J = 7.2 Hz), 3.98 (br, 1H), 4.12-4.17 (m, 1H), 4.27-4.33 (m, 1H),4.48 (dd, 1H, J = 2.0 & 16 Hz), 5.05-5.20 (m, 4H), 5.11 (s, 1H), 7.03-7.20(m, 4H), 7.34-7.36 (m, 10H)。
实施例7
化合物6的制备
将羧基化的PEG800(1.83 g, 2.29 mmol)溶解于30 ml二氯甲烷,置于-5℃下,加入DCC(0.17 g, 0.84 mmol)和DMAP(18 mg, 0.15 mmol),搅拌30 min后,加入化合物5(0.42 g,0.76 mmol),移至室温搅拌过夜。过滤,除去白色固体,滤液浓缩,经柱层析纯化得到油状物6,0.51 g,收率49.9%。1H NMR (CDCl3, 400 MHz): δ 0.87 (d, 6H, J = 6.4 Hz), 1.46(dd, 3H, J = 7.2 & 1.6 Hz), 1.78-1.85 (m, 1H), 2.41 (t, 2H,J = 6.8 Hz), 3.63-3.75 (m, H-PEG), 3.91-4.04 (m, 2H) , 4.14-4.37 (m, 4H), 4.61 (dd, 1H, J = 2.4& 6.8 Hz), 5.04-5.14 (m, 4H), 5.30-5.39 (m, 1H), 7.03-7.39 (m, 14H)。
实施例8
化合物7的制备
向化合物6(0.40 g, 0.30 mmol)的甲醇(20 ml)溶液加入Pd/C(10%, 40 mg),在0.4MPa H2下室温反应2 h。滤去Pd/C,浓缩溶剂得油状物7,,0.32 g,收率92%。1H NMR (CDCl3,400 MHz): δ 0.89 (d, 6H, J = 6.8 Hz), 1.50 (d, 3H, J = 7.2 Hz), 1.81-1.86 (m,1H), 2.44 (d, 2H, J = 7.2 Hz), 3.65-3.76 (m, H-PEG), 4.17 (s, 3H), 4.30-4.34(m, 1H), 7.10 (d, 2H, J = 8.0 Hz), 7.22 (d, 2H, J = 8.0 Hz)。
实施例9
抗坏血酸修饰的Fe3O4磁性纳米粒(AA-Ibu-PEG-DA@MNPs)的制备
将化合物7(47 mg, 0.04 mmol)溶解于10 ml 无水DMF中,依次分别加入NHS(10 mg,0.06 mmol)、DCC(13 mg, 0.06 mmol)、DMAP(2 mg, 0.016 mmol)和DA@MNPs(20 mg),室温搅拌24小时,磁铁分离并用乙醇和水洗涤,30℃真空干燥即可得到抗坏血酸修饰的Fe3O4磁性纳米粒(AA-Ibu-PEG-DA@MNPs)。
实施例10
脑靶向磁性纳米粒(AA-Ibu-PEG-DA@MNPs)的红外表征
Fe3O4磁性纳米粒(OA@MNPs,OA@MNPs和AA-Ibu-PEG-DA@MNPs)的红外光谱参见图2。OA@MNPs的红外光谱中,580 cm-1处有很强的吸收峰,归属为Fe3O4中的Fe-O振动吸收峰,2845cm-1和2926 cm-1处较强的吸收峰分别归属于油酸的CH2-对称伸缩及不对称伸缩振动峰,以上证明了OA@MNPs合成的成功。DA@MNPs的红外光谱中,1612 cm-1、1477 cm-1、1413 cm-1和1277 cm-1,分别是多巴胺苯环、氨基、C-N键和C-H键的弯曲振动,这些新吸收峰的出现证明多巴胺存在于MNPs纳米颗粒的表面。AA-Ibu-PEG-DA@MNPs的红外光谱中,1626 cm-1的酰胺的伸缩振动表明化合物7与MNPs上的DA缩合成功,此外,1626 cm-1酯键的伸缩振动和PEG亚甲基(2921 cm-1和2859 cm-1)的伸缩振动,进一步证明了抗坏血酸修饰的脑靶向磁性纳米粒合成的成功。
实施例11
脑靶向磁性纳米粒(AA-Ibu-PEG-DA@MNPs)的粒径大小与分布
扫描电镜下观察脑靶向磁性纳米粒的大小及形状,结果参见图3。OA@MNPs和AA-Ibu-PEG-DA@MNPs都呈近似圆球形,颗粒较为规则,分散性较好,未见明显团聚现象发生。另取适量,用动态光散射分析仪测定纳米粒的粒径大小与分布,测定结果表明,OA@MNPs和AA-Ibu-PEG-DA@MNPs的粒径大小与扫描电镜结果一致,即AA-Ibu-PEG-DA@MNPs相对于OA@MNPs,有一个轻微变大的平均粒径。此外,AA-Ibu-PEG-DA@MNPs和OA@MNPs的分散系数分别为0.129和0.156,表明制备得到的抗坏血酸修饰的脑靶向磁性纳米粒大小均匀性良好。
实施例12
脑靶向磁性纳米粒(AA-Ibu-PEG-DA@MNPs)的磁性表征
磁力学性质测定,结果参见图4。合成的OA@Fe3O4正己烷溶液具有磁流体的性质,在磁场的作用下,磁溶液向磁场方向定位。精密称取实施例中所得的Fe3O4磁性纳米粒(OA@MNPs,OA@MNPs和AA-Ibu-PEG-DA@MNPs),放置于JDM-13D磁性测定仪中,随着外磁场的变化,测定纳米粒磁矩的变化情况,并绘制对应的磁滞回线:曲线为过原点的单一曲线,即当外加磁性为0时,没有剩磁;当有外加磁性存在时,产生剩磁。其最大磁饱和强度分别为68.39 emu/g、65.64 emu/g和52.17 emu/g。
实施例13
脑靶向磁性纳米粒(AA-Ibu-PEG-DA@MNPs)的细胞毒性考察
将bEnd.3细胞(小鼠脑微血管内皮细胞)复苏后,用含10%胎牛血清的DMEM培养基,37℃,5%CO2的环境下培养两周,每隔一天换液一次。用培养基分别将Fe3O4磁性纳米粒(OA@MNPs,OA@MNPs和AA-Ibu-PEG-DA@MNPs)和化合物7逐步稀释为6.125µg/ml、12.5µg/ml、25µg/ml、50µg/ml、100µg/ml和200µg/ml的溶液备用。将C6细胞以2 × 103个/孔的密度接种于96孔板内,培养24h后,分别加入上述系列浓度的载多西紫杉醇的脂质体或多西紫杉醇溶液继续孵育24h。孵育结束后,弃去培养基,向细胞孔内加入20µl 5mg/ml的MTT溶液,于37℃条件下孵育4h后,小心吸去上层培养基,加入150µl DMSO,于37℃恒温空气摇床中缓慢振摇30min后,置酶标仪中测定490nm波长处的吸光度值A测定。以DMSO的吸光度值A空白作为空白,以未加药处理的细胞孔同法操作测得的吸光度值A对照作为对照,计算各孔细胞的存活率,存活率(%)=(A测定-A空白)/(A对照-A空白)× 100%。结果表明,所有的材料在0-200μg/ml的浓度下,均为见明显毒性。
实施例14
脑靶向磁性纳米粒(AA-Ibu-PEG-DA@MNPs)的释药行为
精密称取实施例中所得的抗坏血酸修饰的脑靶向磁性纳米粒(AA-Ibu-PEG-DA@MNPs),分别加入到不同的释放介质中(pH 2.5、5.0、7.4和8.0的磷酸盐缓冲液,以及小鼠血浆和脑匀浆),于预定的时间点取样,分别通过HPLC检测布洛芬的含量。结果表明,在pH7.4的缓冲液中,布洛芬释放最为缓慢,从而保证了药物在生理环境下的稳定以及有足够的时间到达靶部位。此外,在血浆和脑匀浆的释放行为表明,磁性纳米粒在脑匀浆的释放要快于血浆,从而避免磁性纳米粒在脑部的过度蓄积。
附图说明
图1本发明实施例8中化合物7结构的1H-NMR谱图
图2本发明实施例10中磁性纳米粒的红外光谱图
图3本发明实施例11中磁性纳米粒的扫描电镜图与粒径分布
图4本发明实施例12中磁性纳米粒的磁性表征
图5本发明实施例13中磁性纳米粒的细胞毒性
图6本发明实施例14中磁性纳米粒在不同体系中的释药行为。
Claims (6)
1.一种以抗坏血酸修饰的具有脑靶向的磁性纳米粒,为通式(I)所示结构或其药学上可接受的盐或水合物:
其中:
X代表羧基化的聚乙二醇PEG,可以是三甘醇、四甘醇或聚乙二醇PEG分子量为200、400、600、800、1000、1500、2000、4000等;
Y代表-(CH2)a-、-C(O)-(CH2)a-C(O)-或-(CH2)b-O-、-(CH2)b-NH-、-C(O)-(CH2)b-O-、-C(O)-(CH2)b-NH-,a表示0~6,b表示1~4;
MNPs代表Fe3O4、γ-Fe2O3、MnFe2O4、CoFe2O4和ZnFe2O4等;
Drug代表可作用于中枢神经系统的药物。
2.根据权利要求1所述的以抗坏血酸修饰的新型脑靶向磁性纳米粒,其特征在于X为羧基化的PEG,一端与多巴胺酰胺键相连,另一端与抗坏血酸的C5-O以酯键或醚键相连;Y的一端以酯键或醚键与抗坏血酸的C6-O相连,另一端以酯键或醚键或酰胺键同药物相连。
3.根据权利要求1所述的以抗坏血酸修饰的新型脑靶向磁性纳米粒,其特征在于将抗坏血酸的脑靶向特性和磁性纳米粒的磁靶向特性结合起来,形成双重脑靶向磁性纳米粒。
4.根据权利要求1所述的以抗坏血酸修饰的新型脑靶向磁性纳米粒,其特征在于MNPs可以是但不限于Fe3O4、γ-Fe2O3、MnFe2O4、CoFe2O4和ZnFe2O4等,优选Fe3O4。
5.根据权利要求1所述的以抗坏血酸修饰的新型脑靶向磁性纳米粒,其特征在于药物可以是但不限于萘普生、布洛芬、文拉法辛、美金刚胺等可作用于中枢神经系统的药物。
6.根据权利要求1所述的以抗坏血酸修饰的新型脑靶向磁性纳米粒,其特征在于当a=0时,药物可以直接以其所含游离羧基、羟基等作为开放端同抗坏血酸的C6-O以酯键或醚键等相连。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711220660.0A CN107982541B (zh) | 2017-11-29 | 2017-11-29 | 抗坏血酸修饰的新型脑靶向磁性纳米粒的制备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711220660.0A CN107982541B (zh) | 2017-11-29 | 2017-11-29 | 抗坏血酸修饰的新型脑靶向磁性纳米粒的制备 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107982541A true CN107982541A (zh) | 2018-05-04 |
CN107982541B CN107982541B (zh) | 2020-05-15 |
Family
ID=62033847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711220660.0A Expired - Fee Related CN107982541B (zh) | 2017-11-29 | 2017-11-29 | 抗坏血酸修饰的新型脑靶向磁性纳米粒的制备 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107982541B (zh) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105551704A (zh) * | 2015-12-09 | 2016-05-04 | 江苏大学 | 一种多巴胺功能化磁性纳米载体的制备及其应用 |
CN105641711A (zh) * | 2016-01-25 | 2016-06-08 | 四川大学 | 以有机胺修饰的维生素c为载体的双重脑靶向前药 |
CN105693807A (zh) * | 2016-01-25 | 2016-06-22 | 四川大学 | 新型脑靶向脂质材料及其在药物传递系统中的应用 |
-
2017
- 2017-11-29 CN CN201711220660.0A patent/CN107982541B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105551704A (zh) * | 2015-12-09 | 2016-05-04 | 江苏大学 | 一种多巴胺功能化磁性纳米载体的制备及其应用 |
CN105641711A (zh) * | 2016-01-25 | 2016-06-08 | 四川大学 | 以有机胺修饰的维生素c为载体的双重脑靶向前药 |
CN105693807A (zh) * | 2016-01-25 | 2016-06-22 | 四川大学 | 新型脑靶向脂质材料及其在药物传递系统中的应用 |
Non-Patent Citations (2)
Title |
---|
张哲明,等: "脑靶向纳米给药系统研究进展", 《国际药学研究杂志》 * |
解矛盾,闫瑾: "疏水性Fe3O4磁性纳米粒子的表面改性修饰", 《焦作大学学报》 * |
Also Published As
Publication number | Publication date |
---|---|
CN107982541B (zh) | 2020-05-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Han et al. | Tumor-triggered geometrical shape switch of chimeric peptide for enhanced in vivo tumor internalization and photodynamic therapy | |
Kumar et al. | C60-fullerenes as drug delivery carriers for anticancer agents: promises and hurdles | |
Gajbhiye et al. | The treatment of Glioblastoma Xenografts by surfactant conjugated dendritic nanoconjugates | |
Mehra et al. | The cancer targeting potential of D-α-tocopheryl polyethylene glycol 1000 succinate tethered multi walled carbon nanotubes | |
Wen et al. | β-Cyclodextrin-cholic acid-hyaluronic acid polymer coated Fe3O4-graphene oxide nanohybrids as local chemo-photothermal synergistic agents for enhanced liver tumor therapy | |
Ye et al. | A novel lactoferrin-modified β-cyclodextrin nanocarrier for brain-targeting drug delivery | |
Patel et al. | Synthesis, characterization and brain targeting potential of paclitaxel loaded thiamine-PPI nanoconjugates | |
An et al. | Glycopolymer modified magnetic mesoporous silica nanoparticles for MR imaging and targeted drug delivery | |
EP3092012B1 (en) | Magnetic nanoparticles functionalized with cathecol, production and use thereof | |
Nasiri et al. | Targeted delivery of bromelain using dual mode nanoparticles: Synthesis, physicochemical characterization, in vitro and in vivo evaluation | |
Wang et al. | Targeted polymeric therapeutic nanoparticles: Design and interactions with hepatocellular carcinoma | |
CN105999299A (zh) | 一种小分子胶束纳米载药系统及其制备方法与应用 | |
Zhang et al. | Anti-tumor activity of verbascoside loaded gold nanoparticles | |
Hamid et al. | Nanomedicines: nano based drug delivery systems challenges and opportunities | |
Zhang et al. | Co-delivery of rose bengal and doxorubicin nanoparticles for combination photodynamic and chemo-therapy | |
Thotakura et al. | Aspartic acid tagged carbon nanotubols as a tool to deliver docetaxel to breast cancer cells: Reduced hemotoxicity with improved cytotoxicity | |
CN105854027A (zh) | 一种基于低代pamam树状分子的两亲性纳米自组装胶束及其应用 | |
Zhang et al. | Glutathione-responsive biodegradable nanoplatform with endogenous esterase-triggered nitric oxide release for gas therapy and enhanced chemotherapy | |
CN111249253A (zh) | 核壳结构刺激响应型药物载体的制备方法及药物释放方法 | |
Fasiku et al. | Nano/microparticles encapsulation via covalent drug conjugation | |
CN106317067B (zh) | 一种抗肿瘤药物偶联物、制备方法、制剂和应用 | |
CN107982541A (zh) | 抗坏血酸修饰的新型脑靶向磁性纳米粒的制备 | |
Wang et al. | Preparation and Characterization of Novel Brain Targeting Magnetic Nanoparticles Modified with Ascorbic Acid | |
Demina et al. | Development strategies and biopharmaceutical aspects of drug delivery systems | |
CN107496936A (zh) | 一种两性小分子自组装靶向性纳米粒子载药系统及其制备方法 |
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 | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200515 |
|
CF01 | Termination of patent right due to non-payment of annual fee |