CN112715435A - Method for preparing zebra fish thrombus model by using ferric chloride - Google Patents

Method for preparing zebra fish thrombus model by using ferric chloride Download PDF

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CN112715435A
CN112715435A CN202110043719.3A CN202110043719A CN112715435A CN 112715435 A CN112715435 A CN 112715435A CN 202110043719 A CN202110043719 A CN 202110043719A CN 112715435 A CN112715435 A CN 112715435A
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zebra fish
thrombus
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叶繁全
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/10Culture of aquatic animals of fish
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00Preparations for testing in vivo
    • A61K49/0004Screening or testing of compounds for diagnosis of disorders, assessment of conditions, e.g. renal clearance, gastric emptying, testing for diabetes, allergy, rheuma, pancreas functions
    • A61K49/0008Screening agents using (non-human) animal models or transgenic animal models or chimeric hosts, e.g. Alzheimer disease animal model, transgenic model for heart failure
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
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    • A01K2227/40Fish
    • AHUMAN NECESSITIES
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    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
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    • A01K2267/03Animal model, e.g. for test or diseases
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    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

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Abstract

The invention relates to a method for preparing a zebra fish thrombus model by using ferric chloride, which comprises the following steps: 1) selecting about 30 normal-developing 2dpf zebra fishes, transferring into 0.1-1.1% ferric chloride solution prepared by embryo culture water, culturing in an incubator for 48h, removing culture water, and dyeing in 6 micro-porous plates with o-dianisidine dyeing solution in a dark place for 15 min; 2) removing the staining solution, and rapidly washing with DMSO for 3 times; 3) transferring the zebra fish into a new 6-micropore plate, and adding equal volume of DMSO (dimethyl sulfoxide); 4) placing the zebra fish on a glass slide, and taking a picture of the zebra fish under a microscope and storing the zebra fish; 5) calculating the body part and thrombus staining area of the zebra fish by using Image-ProPlus6, wherein (thrombus staining area/body area) × 100% is used as an index of thrombus occurrence degree; the invention has the advantages of cheap reagent, stable molding rate and good film forming effect.

Description

Method for preparing zebra fish thrombus model by using ferric chloride
Technical Field
The invention belongs to the field of medicines, and particularly relates to a method for preparing a zebra fish thrombus model by using ferric chloride.
Background
Thrombosis is caused by multiple factors of heredity and environment and can occur in arteries and veins, the venous thrombosis is red thrombosis which can cause limb swelling and pain, the venous thrombosis falls off and can enter pulmonary circulation to cause pulmonary artery embolism, serious patients can have difficulty in breathing and even die, the arterial thrombosis is white thrombosis, ischemia change of limbs and important visceral organs can be caused, the arterial thrombosis falls off and can block the distal artery along with blood flow, limb or organ necrosis is caused, the harm of the thrombosis to human bodies is large, active treatment is needed, at present, because of the reasons of large social pressure, serious environmental pollution, bad life style and the like, the trend of thrombosis youthful development is increasingly intensified.
The zebra fish embryo is transparent and develops in vitro, which is a good model for researching vascular diseases. At present, the research on the zebra fish thrombus model is less, the number of selectable methods is small, and the invention aims to provide a novel preparation method of the zebra fish thrombus model.
Disclosure of Invention
After ferric chloride treatment, many aggregates formed by ferric ions are collected on the vascular endothelial cells, and the aggregates are attached to blood platelets to form thrombus. The preparation process of the invention is as follows:
1. selecting about 30 normal-developing 2dpf zebra fishes, transferring into 0.1-1.1% ferric chloride solution prepared from embryo culture water, culturing in an incubator for 48h, removing culture water, and dyeing in 6 micro-porous plates with o-dianisidine dyeing solution in a dark place for 15 min;
2. removing the staining solution, and rapidly washing with DMSO for 3 times;
3. transferring the zebra fish into a new 6-micropore plate, and adding equal volume of DMSO (dimethyl sulfoxide);
4. placing the zebra fish on a glass slide, and taking a picture of the zebra fish under a microscope and storing the zebra fish;
5. calculating the body part and thrombus staining area of the zebra fish by using Image-Pro Plus6, wherein the value of (thrombus staining area/body area) × 100% is used as an index of thrombus occurrence degree;
the formula of the water for culturing the zebra fish comprises the following components: 5mmol/L NaCl, 0.17mmol/L KCl, 0.4mmol/L CaCl2,0.16mmol/L MgSO4
The formula of the o-dianisidine staining solution comprises the following components: contains 0.6mg/mL o-dianisidine, 0.01mol/L sodium acetate, and 0.65% H2O2,0.16mmol/LMgSO4
Preferably, the method for preparing the animal model of the invention comprises the following steps:
1. selecting about 30 normal-developing 2dpf zebra fishes, transferring into 0.7% ferric chloride solution prepared by embryo culture water, culturing in an incubator for 48h, removing the culture water, and dyeing in 6 micro-porous plates for 15min in a dark place by using an o-dianisidine dyeing solution;
2. removing the staining solution, and rapidly washing with DMSO for 3 times;
3. transferring the zebra fish into a new 6-micropore plate, and adding equal volume of DMSO (dimethyl sulfoxide);
4. placing the zebra fish on a glass slide, and taking a picture of the zebra fish under a microscope and storing the zebra fish;
5. calculating the body part and thrombus staining area of the zebra fish by using Image-Pro Plus6, wherein the value of (thrombus staining area/body area) × 100% is used as an index of thrombus occurrence degree;
the formula of the water for culturing the zebra fish comprises the following components: 5mmol/L NaCl, 0.17mmol/L KCl, 0.4mmol/L CaCl2,0.16mmol/L MgSO4
The formula of the o-dianisidine staining solution comprises the following components: contains 0.6mg/mL o-dianisidine, 0.01mol/L sodium acetate, and 0.65% H2O2,0.16mmol/LMgSO4
Another object of the present invention is to provide a method for using the zebrafish thrombosis animal model:
1. preparing a zebra fish thrombus animal model according to the above contents;
2. adding the drug to be tested, and continuing culturing for a corresponding time;
3. dyeing for 15min by using an o-dianisidine dyeing solution;
4. the zebrafish trunk and thrombus staining area (thrombus staining area/trunk area) × 100% value was calculated using Image-Pro Plus6 as an index for evaluating the effect of the drug on thrombus.
The invention has the beneficial effects that:
the method for preparing the zebra fish thrombus model by using the ferric chloride is obtained, and has the advantages of cheap reagent, stable molding rate and good film forming effect.
Drawings
FIG. 1: tail thrombus, A, control group B, 0.7% FeCl3Solution set
FIG. 2: ratio of area of thrombus at tail to area of trunk
FIG. 3: mortality of zebra fish
Detailed Description
The present invention is further illustrated in detail by the following examples, which are provided only for illustrating the present invention and are not intended to limit the scope of the present invention.
Example 1: preparation of animal models of the invention
Experimental materials: DMSO, o-dianisidine from SIGMA; FeCl3、NaCl、KCl、CaCl2、MgSO4Sodium acetate, H2O2From Shanghai Ji to Biochemical technology, Inc.; the 6-well plate was purchased from Beijing Lvbao scientific development Co., Ltd.
An experimental instrument: the Leica DVM6 microscope is available from Beijing Rake Zhongji science and technology Co., Ltd; constant temperature incubator JF-JGDW20-100 was purchased from Shanghai Jingfu instruments, Inc.
Zebra fish breeding environment: zebra fish for experiment is AB system, and is bred by Westefield culture method in Chiba Suffolk science and technology (Guangzhou) limited with water temperature of 28 ℃, conductivity of 400-.
The experimental method comprises the following steps: selecting healthy and mature AB-series zebra fishes, putting the AB-series zebra fishes into a fish tank according to the proportion of male and female 2:1, obtaining embryos in the morning of the next day, selecting healthy and high-quality embryos, putting the healthy and high-quality embryos into an incubator at 28 ℃, changing water twice a day, selecting 30 zebra fishes which normally develop respectively in a blank control group and a model control group when the zebra fishes develop to 2dpf, wherein the blank control group is embryo culture water, and the model control group is added with FeCl which is prepared from the embryo culture water by 0.1%, 0.3%, 0.5%, 0.7%, 0.9% and 1.1% in mass fraction3Continuously culturing the solution for 48h, sucking culture water, sucking isovolume o-dianisidine staining solution by using a pipette gun, and dyeing in a 6-micropore plate for 15min in a dark place; removing the staining solution, and rapidly washing with DMSO for 3 times; putting zebra fish into a new 6-micropore plate, and adding equal volume of DMSO (dimethyl sulfoxide); taking the zebra fish, placing the zebra fish on a glass slide, and taking a picture of the zebra fish under a microscope and storing the zebra fish; the body parts and thrombus staining areas of zebra fish (thrombus staining area/body area) × 100% values were calculated using Image-Pro Plus6 as indicators of the degree of thrombus formation, and the results are shown in FIGS. 1 and 2, and the death rate of embryos of each group at the end of the experiment is shown in FIG. 3.
As can be seen from FIGS. 1 and 2, FeCl3The solution can cause the formation of thrombus in zebrafish, 0.7% and 0.9% and 1.1% (thrombus staining area/body)Dry area) × 100% are not very different, but the mortality rate of zebrafish is greatly increased, so 0.7% is the optimum dose.
Example 2 comparison of this model with the phenylhydrazine induction model
Experimental materials: DMSO, o-dianisidine from SIGMA; FeCl3、NaCl、KCl、CaCl2、MgSO4Sodium acetate, H2O2From Shanghai Ji to Biochemical technology, Inc.; the 6-hole plate is purchased from Beijing Lvurucao scientific development Co., Ltd; phenylhydrazine was purchased from Kyoto pure technologies, Inc. and prepared into 1.5mmol/L mother liquor with 100% ethanol.
An experimental instrument: the Leica DVM6 microscope is available from Beijing Rake Zhongji science and technology Co., Ltd; constant temperature incubator JF-JGDW20-100 was purchased from Shanghai Jingfu instruments, Inc.
Zebra fish breeding environment: zebra fish for experiment is AB system, and is bred by Westefield culture method in Chiba Suffolk science and technology (Guangzhou) limited with water temperature of 28 ℃, conductivity of 400-.
The experimental method comprises the following steps: selecting healthy mature AB-series zebra fishes, putting the healthy mature AB-series zebra fishes into a fish tank according to the proportion of male and female parts being 2:1, obtaining embryos in the morning of the next day, selecting healthy high-quality embryos, putting the healthy high-quality embryos into an incubator at 28 ℃, changing water twice a day, selecting 30 normally-developed zebra fishes from a blank control group, an iron chloride model group and a phenylhydrazine model group when the zebra fishes develop to 2dpf, wherein the blank control group is embryo culture water, the mass fraction of the iron chloride model group is 0.7%, the concentration of the phenylhydrazine model group is 1.5 mu mol/L, continuously culturing for 48h, sucking the culture water, sucking an equal volume of o-dianisidine staining solution by using a liquid transfer gun, and staining for 15min in a 6 micropore plate in a dark place; removing the staining solution, and rapidly washing with DMSO for 3 times; transferring the zebra fish into a new 6-micropore plate, and adding equal volume of DMSO (dimethyl sulfoxide); placing the zebra fish on a glass slide, and taking a picture of the zebra fish under a microscope and storing the zebra fish; the zebrafish trunk and thrombus-stained area (thrombus-stained area/trunk area) × 100% value was calculated using Image-Pro Plus6 as an index of the degree of thrombus generation.
TABLE 1 comparison of iron chloride groups to phenylhydrazine groups
Figure BDA0002896813940000041

Claims (3)

1. A method for preparing a zebra fish thrombus model by using ferric chloride is characterized by comprising the following steps:
1) selecting about 30 normal-developing 2dpf zebra fishes, transferring into 0.1-1.1% ferric chloride solution prepared from embryo culture water, culturing in an incubator for 48h, removing culture water, and dyeing in 6 micro-porous plates with o-dianisidine dyeing solution in a dark place for 15 min;
2) removing the staining solution, and rapidly washing with DMSO for 3 times;
3) transferring the zebra fish into a new 6-micropore plate, and adding equal volume of DMSO (dimethyl sulfoxide);
4) placing the zebra fish on a glass slide, and taking a picture of the zebra fish under a microscope and storing the zebra fish;
5) calculating the body part and thrombus staining area of the zebra fish by using Image-Pro Plus6, wherein (thrombus staining area/body area) × 100% is used as an index of thrombus occurrence degree;
the formula of the water for culturing the zebra fish comprises the following components: 5mmol/L NaCl, 0.17mmol/L KCl, 0.4mmol/L CaCl2,0.16mmol/L MgSO4
The formula of the o-dianisidine staining solution comprises the following components: contains 0.6mg/mL o-dianisidine, 0.01mol/L sodium acetate, and 0.65% H2O2,0.16mmol/L MgSO4
2. A method for preparing a zebra fish thrombus model by using ferric chloride is characterized by comprising the following steps:
1) selecting about 30 normal-developing 2dpf zebra fishes, transferring into 0.7% ferric chloride solution prepared by embryo culture water, culturing in an incubator for 48h, removing the culture water, and dyeing in 6 micro-porous plates for 15min in a dark place by using an o-dianisidine dyeing solution;
2) removing the staining solution, and rapidly washing with DMSO for 3 times;
3) transferring the zebra fish into a new 6-micropore plate, and adding equal volume of DMSO (dimethyl sulfoxide);
4) placing the zebra fish on a glass slide, and taking a picture of the zebra fish under a microscope and storing the zebra fish;
5) calculating the body part and thrombus staining area of the zebra fish by using Image-Pro Plus6, wherein (thrombus staining area/body area) × 100% is used as an index of thrombus occurrence degree;
the formula of the water for culturing the zebra fish comprises the following components: 5mmol/L NaCl, 0.17mmol/L KCl, 0.4mmol/L CaCl2,0.16mmol/L MgSO4
The formula of the o-dianisidine staining solution comprises the following components: contains 0.6mg/mL o-dianisidine, 0.01mol/L sodium acetate, and 0.65% H2O2,0.16mmol/L MgSO4
3. The method of using the zebrafish thrombus model of claim 2, comprising the steps of:
1) preparing a zebrafish thrombus animal model according to the method of claim 2;
2) adding the drug to be tested, and continuing culturing for a corresponding time;
3) dyeing for 15min by using an o-dianisidine dyeing solution;
4) the zebrafish trunk and thrombus staining area (thrombus staining area/trunk area) × 100% value was calculated using Image-Pro Plus6 as an index for evaluating the effect of the drug on thrombus.
CN202110043719.3A 2021-01-13 2021-01-13 Method for preparing zebra fish thrombus model by using ferric chloride Withdrawn CN112715435A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004321098A (en) * 2003-04-25 2004-11-18 Fuji Xerox Co Ltd Method for suppressing development of pigmented epithelium of fishes
CN102266313A (en) * 2011-05-17 2011-12-07 杭州环特生物科技有限公司 Method for establishing zebra fish thrombosis model and method for screening antithrombotic drug and thrombosis producing drug
CN102907357A (en) * 2012-09-27 2013-02-06 杭州环特生物科技有限公司 Building method and application of zebra fish hyperlipidemia model
CN106667982A (en) * 2017-02-24 2017-05-17 北京中医药大学 Method for preparing zebrafish thrombus model

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004321098A (en) * 2003-04-25 2004-11-18 Fuji Xerox Co Ltd Method for suppressing development of pigmented epithelium of fishes
CN102266313A (en) * 2011-05-17 2011-12-07 杭州环特生物科技有限公司 Method for establishing zebra fish thrombosis model and method for screening antithrombotic drug and thrombosis producing drug
CN102907357A (en) * 2012-09-27 2013-02-06 杭州环特生物科技有限公司 Building method and application of zebra fish hyperlipidemia model
CN106667982A (en) * 2017-02-24 2017-05-17 北京中医药大学 Method for preparing zebrafish thrombus model

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