WO2014110863A1 - Application d'un nano-agrégat d'argent et de platine pour l'imagerie ciblée d'une tumeur - Google Patents

Application d'un nano-agrégat d'argent et de platine pour l'imagerie ciblée d'une tumeur Download PDF

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Publication number
WO2014110863A1
WO2014110863A1 PCT/CN2013/072344 CN2013072344W WO2014110863A1 WO 2014110863 A1 WO2014110863 A1 WO 2014110863A1 CN 2013072344 W CN2013072344 W CN 2013072344W WO 2014110863 A1 WO2014110863 A1 WO 2014110863A1
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Prior art keywords
silver
imaging
platinum
tumor
injection
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PCT/CN2013/072344
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English (en)
Chinese (zh)
Inventor
王雪梅
高生平
吴长宇
李永红
叶静
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东南大学
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Publication of WO2014110863A1 publication Critical patent/WO2014110863A1/fr

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00Preparations for testing in vivo
    • A61K49/0002General or multifunctional contrast agents, e.g. chelated agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00Preparations for testing in vivo
    • A61K49/001Preparation for luminescence or biological staining
    • A61K49/0063Preparation for luminescence or biological staining characterised by a special physical or galenical form, e.g. emulsions, microspheres
    • A61K49/0065Preparation for luminescence or biological staining characterised by a special physical or galenical form, e.g. emulsions, microspheres the luminescent/fluorescent agent having itself a special physical form, e.g. gold nanoparticle
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00Preparations for testing in vivo
    • A61K49/04X-ray contrast preparations
    • A61K49/0409Physical forms of mixtures of two different X-ray contrast-enhancing agents, containing at least one X-ray contrast-enhancing agent which is not a halogenated organic compound
    • A61K49/0414Particles, beads, capsules or spheres
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00Preparations for testing in vivo
    • A61K49/06Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations
    • A61K49/18Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes
    • A61K49/1818Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00Preparations for testing in vivo
    • A61K49/22Echographic preparations; Ultrasound imaging preparations ; Optoacoustic imaging preparations
    • A61K49/222Echographic preparations; Ultrasound imaging preparations ; Optoacoustic imaging preparations characterised by a special physical form, e.g. emulsions, liposomes
    • A61K49/225Microparticles, microcapsules

Definitions

  • the invention relates to the application of silver and platinum nanoclusters as tumor imaging agents in tumor targeted imaging, and the invention is applicable to the field of medical imaging.
  • In vivo bioimaging technology is a powerful means to detect molecular and cellular events in experimental animals. It is being used more and more widely in medical and biological research fields. It has extremely high detection sensitivity and low cost of experimentation. It can be extremely short. The application of as few animals as possible within the time can accurately obtain the expected experimental results, providing researchers with a wide application space, but the technology still has many limitations, especially the tissue autofluorescence generated during in vivo illumination. Weak tissue permeability under the excitation of broken wave excitation light.
  • inorganic luminescent nanomaterials such as silicon nanoparticles
  • Some inorganic nanomaterials, such as silicon nanoparticles have been widely used in bioanalysis and imaging due to some excellent properties, but there are still some problems.
  • the most important thing is the particle size of nanoparticles. size. The smaller the particle size, the less likely the particles are to be absorbed by the epithelial network system and the easier it is to be excreted through the urinary system for better biocompatibility.
  • nanomaterials with small particle size are more easily passively targeted to tumor sites by EPR effect to achieve precise localization of tumors.
  • Chinese patent CN102735752A discloses the application of gold nanoclusters in tumor-targeted living imaging. There is no literature on the application of silver and platinum nanoclusters to tumor-targeted imaging.
  • the object of the present invention is to provide an application of silver and platinum nanoclusters with small particle size and good biocompatibility in tumor targeted imaging.
  • the principle of the present invention is that a certain concentration of silver and platinum ions can synthesize nanoclusters in vivo and enrich in tumor sites, and the tumor sites can be detected by medical imaging.
  • the application steps of silver and platinum nanoclusters in tumor targeted imaging are:
  • the culture solution containing 0.1-100 ⁇ mol/L silver-containing solution or platinum-containing solution is incubated with cells or tissues cultured for 24 hours in a cell culture incubator for 10 to 72 hours, and silver or platinum nanoclusters can be formed in the culture solution, and the culture solution is formed.
  • the silver or platinum nanoclusters can be finely dispersed by ultrasonic disperser to make the silver or platinum nanocluster particles finer, and the nano-cluster particles can be more evenly distributed in nude mice when injected into nude mice;
  • Direct injection of silver-containing solution or platinum-containing solution into nude mice can synthesize nano-clusters in nude mice and enrich in tumor sites, and has good biocompatibility;
  • the silver-containing solution is a silver ammonia solution, a silver nitrate or a glutathione silver solution;
  • the platinum-containing solution is a cis-diaminodi-platinum solution or a trans-diamino-bis-platinum solution;
  • the medical imaging method is fluorescence imaging, nuclear magnetic imaging, Raman imaging, CT imaging, thermal imaging or ultrasound imaging;
  • the local injection method is local subcutaneous injection, intradermal injection, intramuscular injection, tail vein injection or intraperitoneal injection;
  • the nude mouse tumor model is an orthotopic transplantation tumor model, an orthotopic metastatic tumor model, a subcutaneous tumor model, a drug-induced tumor model, a gene mutation tumor model or a spontaneous tumor model.
  • the silver and platinum nanoclusters prepared by the invention have small particle size, good permeability, high fluorescence stability, high sensitivity and strong targeting, and can accurately locate the tumor;
  • the silver and platinum nanoclusters of the present invention are ultrasonically dispersed and injected, so that the nanoparticles are finer and more uniform, and are more favorable for absorption;
  • the invention has the advantages of convenient operation and direct result, and can be used for early detection and diagnosis of tumors, and can also be applied in research on tracking and imaging of living tumors such as deep tumors and large animals, and has potential application value of clinical disease tracking treatment imaging. .
  • Example 1a is a diagram showing the results of a confocal fluorescence microscope of an experimental group of Example 1 of the present invention
  • Figure 1b is a graph showing the results of a confocal fluorescence microscope of the control group of Example 1 of the present invention.
  • Example 2 is a diagram showing tumor targeting imaging of a nude mouse fluorescent imaging image according to Example 2 of the present invention.
  • Hepatoma cells were selected as the research object.
  • the experimental group inoculated liver cancer cells (HepG2) in logarithmic growth phase in a 6-well plate at a density of 1.6 ⁇ 105 cells/well. After h, a solution containing glutathione silver ammonia 1 ⁇ mol/L which had been sterilized and diluted with fresh sterile DMEM medium was added.
  • the experimental results of the experimental group are shown in Figure 1a, and the experimental results of the control group are shown in Figure 1b.
  • the nude mice were subcutaneously inoculated with breast cancer model.
  • the breast cancer cells were cultured for 24 h and then sterilized and freshly sterile DMEM.
  • the medium was diluted to 0.1 ⁇
  • the mol/L glutathione silver ammonia solution was incubated in a cell culture incubator for 24 hours to prepare silver nanoclusters, and the solution containing the silver nanoclusters was ultrasonically dispersed and injected into the nude mice by tail vein injection method, 24 After h, nude mice were subjected to in vivo fluorescence imaging. Experiments show that silver nanoclusters can achieve targeted imaging of tumor sites. The experimental results are shown in Figure 2.
  • the nude mouse model of orthotopic liver transplantation was constructed.
  • the liver cancer cells were cultured for 24 hours and then sterilized and freshly sterile DMEM.
  • the diluted medium 50 ⁇ mol/L cis-diaminodi-platinum solution was incubated in a cell culture incubator for 48 hours to prepare platinum nanoclusters.
  • the solution containing platinum nanoclusters was ultrasonically dispersed and injected by topical subcutaneous injection.
  • nude mice 24 After h, the nude mice were subjected to nuclear magnetic imaging and the imaging results were qualitatively and quantitatively analyzed.
  • nude mouse drug-induced ovarian tumor model ovarian cancer cell culture 24 After h, a 100 ⁇ mol/L silver nitrate solution which had been sterilized and diluted with fresh sterile DMEM medium was added, and the cells were incubated in a cell culture incubator for 72 hours to prepare silver nanoclusters, and the solution containing the silver nanoclusters was ultrasonically dispersed. , injected intraperitoneally into nude mice, 24 After h, the nude mice were subjected to Raman imaging and the imaging results were qualitatively and quantitatively analyzed.
  • a nude mouse model of subcutaneously inoculated breast cancer was constructed, and a 0.1 ⁇ mol/L silver ammonia solution was directly injected into the nude mice by tail vein injection. After h, the nude mice were subjected to CT imaging and the imaging results were qualitatively and quantitatively analyzed.
  • nude mice Construction of a nude mouse orthotopic liver transplantation model, direct injection into the nude mice by intradermal injection of 50 ⁇ After mol/L of trans-diaminodi-platinum solution, the nude mice were subjected to thermal imaging and the imaging results were qualitatively and quantitatively analyzed.
  • nude mice Construction of a nude mouse drug-induced ovarian tumor model, direct injection of 100 ⁇ mol/L glutathione silver solution into the nude mice by tail vein injection, 24 After h, the nude mice were subjected to ultrasound imaging and the imaging results were qualitatively and quantitatively analyzed.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Inorganic Chemistry (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Nanotechnology (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)

Abstract

L'invention concerne l'application d'un nano-agrégat d'argent et de platine pour l'imagerie ciblée d'une tumeur comprenant les étapes consistant à établir un modèle tumoral chez une souris nude; à injecter localement un nano-agrégat d'argent ou de platine dispersé par ultrasons dans une souris nude, ou à injecter directement une solution contenant de l'argent ou du platine (0,1 à 100 μmol/L) dans une souris nude; puis, 24 heures après l'injection, à réaliser une imagerie médicale sur la partie tumorale de la souris nude au moyen d'un procédé d'imagerie médicale, puis à réaliser une analyse qualitative et quantitative du résultat de l'imagerie.
PCT/CN2013/072344 2013-01-16 2013-03-08 Application d'un nano-agrégat d'argent et de platine pour l'imagerie ciblée d'une tumeur WO2014110863A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310015357.2A CN103083687B (zh) 2013-01-16 2013-01-16 一种银、铂纳米簇在肿瘤靶向成像的应用
CN201310015357.2 2013-01-16

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WO2014110863A1 true WO2014110863A1 (fr) 2014-07-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111592875A (zh) * 2020-02-08 2020-08-28 安徽师范大学 一种荧光纤维素酶铂纳米簇及制备方法和应用

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103861124B (zh) * 2014-03-03 2016-09-21 东南大学 铂纳米簇的制备方法及在肿瘤的成像剂和凋亡剂中的应用
CN105214103B (zh) * 2015-10-14 2018-04-24 东南大学 用于恶性肿瘤和心脑血管相关疾病早期快速检测及多模态成像的金属离子试剂和影像制剂
CN107184981A (zh) * 2017-06-08 2017-09-22 浙江大学 一种片状三角形银纳米粒抗菌悬浮液及其制备方法和应用
CN107884377B (zh) * 2017-11-24 2020-09-11 东南大学 基于细胞外泌体纳米簇探针及其在制备成像制剂中的应用
CN108865147B (zh) * 2018-06-01 2021-05-18 福州大学 一种埃罗替尼保护的铂银纳米簇及其制备方法
CN109266333B (zh) * 2018-10-23 2020-06-12 山西大学 一种荧光银纳米团簇探针的制备方法和应用

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1909931A (zh) * 2004-01-15 2007-02-07 皇家飞利浦电子股份有限公司 用于分子成像的超声造影剂
CN102203002A (zh) * 2007-09-21 2011-09-28 细胞免疫科学公司 纳米治疗性胶态金属组合物和方法
CN102703060A (zh) * 2012-06-08 2012-10-03 中国药科大学 一种靶向特性的可示踪贵金属荧光探针及抗肿瘤前药
CN102735752A (zh) * 2012-06-11 2012-10-17 东南大学 基于金纳米簇的肿瘤靶向活体多模态成像方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1909931A (zh) * 2004-01-15 2007-02-07 皇家飞利浦电子股份有限公司 用于分子成像的超声造影剂
CN102203002A (zh) * 2007-09-21 2011-09-28 细胞免疫科学公司 纳米治疗性胶态金属组合物和方法
CN102703060A (zh) * 2012-06-08 2012-10-03 中国药科大学 一种靶向特性的可示踪贵金属荧光探针及抗肿瘤前药
CN102735752A (zh) * 2012-06-11 2012-10-17 东南大学 基于金纳米簇的肿瘤靶向活体多模态成像方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111592875A (zh) * 2020-02-08 2020-08-28 安徽师范大学 一种荧光纤维素酶铂纳米簇及制备方法和应用
CN111592875B (zh) * 2020-02-08 2023-04-18 安徽师范大学 一种荧光纤维素酶铂纳米簇及制备方法和应用

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