CN110495425A - A kind of conditionity is overexpressed the model production method of CD98 transgenic mice - Google Patents

A kind of conditionity is overexpressed the model production method of CD98 transgenic mice Download PDF

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CN110495425A
CN110495425A CN201910906211.4A CN201910906211A CN110495425A CN 110495425 A CN110495425 A CN 110495425A CN 201910906211 A CN201910906211 A CN 201910906211A CN 110495425 A CN110495425 A CN 110495425A
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mouse
overexpressed
transgenic mice
conditionity
loxp
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夏蒲
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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
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    • A01K67/0275Genetically modified vertebrates, e.g. transgenic
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    • C07K14/435Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
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    • C12N15/09Recombinant DNA-technology
    • C12N15/63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
    • C12N15/79Vectors or expression systems specially adapted for eukaryotic hosts
    • C12N15/85Vectors or expression systems specially adapted for eukaryotic hosts for animal cells
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    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/87Introduction of foreign genetic material using processes not otherwise provided for, e.g. co-transformation
    • C12N15/89Introduction of foreign genetic material using processes not otherwise provided for, e.g. co-transformation using microinjection
    • 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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    • A01K2227/10Mammal
    • A01K2227/105Murine
    • 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
    • A01K2267/00Animals characterised by purpose
    • A01K2267/03Animal model, e.g. for test or diseases
    • A01K2267/0331Animal model for proliferative diseases

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Abstract

The present invention relates to field of transgenic technology, more particularly to a kind of conditionity to be overexpressed the model production method of CD98 transgenic mice, the following steps are included: S1, CAG+LoxP+Stop+LoxP+Slc3a2 transgene carrier construct;S2, transgene carrier pronuclear microinjection;S3, strain identified for genes, it finally establishes in mouse genome and has the genetic mouse catastrophic model of external source CD98 gene, the present invention provides the model mice that conditionability induction is overexpressed CD98 albumen, the tool mouse mating of Cre is expressed by different parts, induction CD98 albumen is expressed in different tissues organ.The foundation of the model helps to study Different Organs tumor development mechanism, discovery drug novel targets and the preclinical drug effect of evaluation etc..

Description

A kind of conditionity is overexpressed the model production method of CD98 transgenic mice
Technical field
The present invention relates to the models that field of transgenic technology more particularly to a kind of conditionity are overexpressed CD98 transgenic mice Production method.
Background technique
Transgenic mice is study of disease occurrence and development mechanism, the powerful for formulating therapeutic strategy.
CD98 isType transmembrane glycoprotein, about 85 kDa of size, by a heavy chain (CD98 heavy chain [CD98hc], Slc3a2) and light chain (LAT1, LAT2, xCT, y+LAT1, y+LAT2 or asc1) covalently connected by disulfide bond It connects to form heterodimer.CD98 is expected to become diagnosing tumor and judging prognosis it is verified that the high expression in kinds of tumors New marker, and, proliferation, invasion including tumour cell, migration closely related with the biological behaviour of tumour cell Deng being likely to become the new molecular target of oncotherapy.
Summary of the invention
Technical problem: the purpose of the present invention is to provide the modellings that a kind of conditionity is overexpressed CD98 transgenic mice Method establishes CD98 conditionity by transgenic technology and is overexpressed mouse model, can stablize heredity, localization and expression to obtain one kind The mouse model of CD98 albumen.The model will can be used for studying the albumen in body function analysis, disease incidence Mechanism Discussion, drug The research such as novel targets discovery and preclinical evaluating drug effect, has highly important scientific meaning and clinical value.
To achieve the goals above, present invention employs following technical solutions:
A kind of conditionity is overexpressed the model production method of CD98 transgenic mice, comprising the following steps:
The building of S1, CAG+LoxP+Stop+LoxP+Slc3a2 transgene carrier;
S2, transgene carrier pronuclear microinjection;
S3, strain identified for genes are finally established in mouse genome and are had the genetic mouse catastrophic model of external source CD98 gene.
Preferably, the transgene carrier construction method of the first step is: CAG+LoxP+Stop+LoxP+Slc3a2 is expressed sequence Column insertion mouse rosa 26 site.
Preferably, the transgene carrier pronuclear microinjection of second step is: the linear transgene carrier of external source is injected into In C57BL/6 mouse fertilized egg nucleus;With the method for microinjection by the target gene fragment of linearisation be injected into mouse by In the protokaryon of smart ovum, integrate it with mouse genome, as cell constantly divides, each cell will carry the segment;Finally The CD98 transgenic mice of building can be overexpressed CD98 albumen under the action of Cre recombinase.
Preferably, the strain identified for genes of third step is: the fertilization implantation of ovum false pregnancy mouse that will be survived after microinjection The ampulla of fallopian tubal generates F0 for transgenic mice, is integrated with exogenous expression's sequence in the mouse genome;The head of birth Mouse for CD98 transgenic positive builds mouse headed by being;Every head mouse of founding a capital will be considered as an independent strain and breed, Cut coda gene identification to every head mouse strain of founding a capital.
The beneficial effects of the present invention are: the present invention provides the model mice that conditionability induction is overexpressed CD98 albumen, lead to The tool mouse mating of different parts expression Cre is crossed, induction CD98 albumen is expressed in different tissues organ.The foundation of the model, has Help study Different Organs tumor development mechanism, discovery drug novel targets and the preclinical drug effect of evaluation etc..
Detailed description of the invention
Fig. 1 is that the CD98 for the model production method that a kind of conditionity proposed by the present invention is overexpressed CD98 transgenic mice turns DNA murine vector construction policy map.
In figure: CAG is promoter, and SLC3A2 is sequence followed by 3'UTR and polyA sequence to be expressed, and polyA is eventually Stop signal.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the present embodiment, referring to Fig.1, a kind of conditionity is overexpressed the model production method of CD98 transgenic mice, including Following steps:
The building of S1, CAG+LoxP+Stop+LoxP+Slc3a2 transgene carrier.Wherein, by CAG+LoxP+Stop+LoxP+ Slc3a2 expressed sequence is inserted into mouse rosa 26 site, as shown in Fig. 1.ROSA26 gene does not have any function, and sequence is inserted Enter the expression of the site ROSA26 to stablize, and will not influence mouse phenotype.CAG is the strong promoter for capableing of whole body expression, LoxP sequence It can be by Cre recombinase specific recognition.
S2, transgene carrier pronuclear microinjection.Wherein, the linear transgene carrier of external source is injected into C57BL/6 mouse In fertilized egg cell's core;The target gene fragment of linearisation is injected into the protokaryon of mouse fertilized egg with the method for microinjection In, integrate it with mouse genome, as cell constantly divides, each cell will carry the segment;The CD98 finally constructed Transgenic mice can be overexpressed CD98 albumen under the action of Cre recombinase.
S3, strain identified for genes finally establish the genetic mouse in mouse genome with external source CD98 gene and are mutated Model.Wherein, by the ampulla of the fallopian tubal of the fertilization implantation of ovum false pregnancy mouse survived after microinjection, F0 is generated for transgenosis Mouse is integrated with exogenous expression's sequence in the mouse genome;Headed by the first mouse for CD98 transgenic positive of birth is Build mouse;Every head mouse of founding a capital will be considered as an independent strain and breed, and carry out cutting tail base to every head mouse strain of founding a capital Because of identification.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (4)

1. the model production method that a kind of conditionity is overexpressed CD98 transgenic mice, which comprises the following steps:
The building of S1, CAG+LoxP+Stop+LoxP+Slc3a2 transgene carrier;
S2, transgene carrier pronuclear microinjection;
S3, strain identified for genes are finally established in mouse genome and are had the genetic mouse catastrophic model of external source CD98 gene.
2. a kind of conditionity according to claim 1 is overexpressed the model production method of CD98 transgenic mice, feature It is, the transgene carrier construction method of the first step is: CAG+LoxP+Stop+LoxP+Slc3a2 expressed sequence is inserted into mouse The site ROSA26.
3. a kind of conditionity according to claim 1 is overexpressed the model production method of CD98 transgenic mice, feature Be, the transgene carrier pronuclear microinjection of second step is: by the linear transgene carrier of external source be injected into C57BL/6 mouse by In spermiovum core;The target gene fragment of linearisation is injected into the protokaryon of mouse fertilized egg with the method for microinjection, Integrate it with mouse genome, as cell constantly divides, each cell will carry the segment;The CD98 finally constructed turns base Because mouse can be overexpressed CD98 albumen under the action of Cre recombinase.
4. a kind of conditionity according to claim 1 is overexpressed the model production method of CD98 transgenic mice, feature It is, the strain identified for genes of third step is: by the pot of the fallopian tubal of the fertilization implantation of ovum false pregnancy mouse survived after microinjection Abdomen generates F0 for transgenic mice, is integrated with exogenous expression's sequence in the mouse genome;The head of birth turns base for CD98 Mouse is built headed by being because of positive mouse;Every head mouse of founding a capital will be considered as an independent strain and breed, and build to every head Mouse strain all carries out cutting coda gene identification.
CN201910906211.4A 2019-09-24 2019-09-24 A kind of conditionity is overexpressed the model production method of CD98 transgenic mice Pending CN110495425A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111019971A (en) * 2019-12-19 2020-04-17 上海同科生物科技有限公司 Construction method of mouse model for conditionally overexpressing HPV E6 gene at ROSA26 site
WO2023109956A1 (en) * 2021-12-17 2023-06-22 Biocytogen Jiangsu Co., Ltd. Genetically modified non-human animal with human or chimeric cd98hc

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CN104278056A (en) * 2013-07-09 2015-01-14 天津医科大学 Preparation method of high-expression staphylococcal nuclease domain containing 1 (SND1)-FLAG transgenic mouse model
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CN106480099A (en) * 2016-10-21 2017-03-08 赣南医学院第附属医院 The H11 fixed point of conditionality overexpression Spp1 gene knocks in hybrid mice model and its construction method
CN106893740A (en) * 2017-02-17 2017-06-27 南京医科大学 A kind of model production method of conditionity overexpression AQP4 transgenic mices
CN108396036A (en) * 2018-03-01 2018-08-14 昆明医科大学 A kind of overexpression COX5A transgenic mouse models and its construction method and application
CN110132914A (en) * 2019-04-28 2019-08-16 西南医科大学 A kind of method of living body cardiac muscle piece optical imagery

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CN104278056A (en) * 2013-07-09 2015-01-14 天津医科大学 Preparation method of high-expression staphylococcal nuclease domain containing 1 (SND1)-FLAG transgenic mouse model
CN106282235A (en) * 2015-05-19 2017-01-04 南华大学 Slow virus carrier containing people's SLC3A2 gene and construction method thereof
CN106480099A (en) * 2016-10-21 2017-03-08 赣南医学院第附属医院 The H11 fixed point of conditionality overexpression Spp1 gene knocks in hybrid mice model and its construction method
CN106893740A (en) * 2017-02-17 2017-06-27 南京医科大学 A kind of model production method of conditionity overexpression AQP4 transgenic mices
CN108396036A (en) * 2018-03-01 2018-08-14 昆明医科大学 A kind of overexpression COX5A transgenic mouse models and its construction method and application
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111019971A (en) * 2019-12-19 2020-04-17 上海同科生物科技有限公司 Construction method of mouse model for conditionally overexpressing HPV E6 gene at ROSA26 site
WO2023109956A1 (en) * 2021-12-17 2023-06-22 Biocytogen Jiangsu Co., Ltd. Genetically modified non-human animal with human or chimeric cd98hc

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Application publication date: 20191126