CN106857274A - A kind of method for building up of dry eyes animal model - Google Patents

A kind of method for building up of dry eyes animal model Download PDF

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Publication number
CN106857274A
CN106857274A CN201710094351.7A CN201710094351A CN106857274A CN 106857274 A CN106857274 A CN 106857274A CN 201710094351 A CN201710094351 A CN 201710094351A CN 106857274 A CN106857274 A CN 106857274A
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CN
China
Prior art keywords
muroid
building
liquid
support bar
box
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CN201710094351.7A
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Chinese (zh)
Inventor
李炜
李三明
刘祖国
宁可
郭俞利
周晶
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Xiamen University
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Xiamen University
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Priority to CN201710094351.7A priority Critical patent/CN106857274A/en
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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
    • A01K1/00Housing animals; Equipment therefor
    • A01K1/02Pigsties; Dog-kennels; Rabbit-hutches or the like
    • A01K1/03Housing for domestic or laboratory animals
    • A01K1/031Cages for laboratory animals; Cages for measuring metabolism of animals

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  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Clinical Laboratory Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

The invention discloses a kind of method for building up of dry eyes animal model, its equipment therefor includes the upper lid that a box-like body and a lid are located in box-like body, box-like body is built with the liquid for not producing chemical damage to muroid in right amount, the depth of liquid is long no more than the body of muroid, more than liquid level is provided with least support bar stood for muroid;Upper lid is provided with a food rest area and and feeds pool, for muroid normal diet;Specifically include following steps:(1) muroid experimental animal is placed on support bar, covers lid, place food and drinking water, and regularly replace the liquid;(2) above-mentioned muroid experimental animal is made to stand daily in the apparatus, the time of standing is the sleep deprivation time, and rest continuously repeats the step during the muroid experimental animal is put into common rearging cage by standing after terminating, you can obtain dry eyes animal model.The present invention makes simple, and repeatability is high, model stability.

Description

A kind of method for building up of dry eyes animal model
Technical field
The invention belongs to medical animal modelling technique field, and in particular to a kind of method for building up of dry eyes animal model.
Background technology
Dry eyes refer to cause tear film unstable and/or eye surface different due to tear quality and quantity and dynamic (dynamical) exception Often, and with a class disease of ophthalmic uncomfortable symptom.Dry eyes can be divided into:Evaporated strong type dry eyes, aqueous shortage type dry eyes, glued Abnormal protein type dry eyes, tear dynamics ectype dry eyes and mixed type dry eyes.Clinical investigation shows that dry eyes are common at present Eye surface diseases, and secondary can cause keratitis, cornea rebirth blood vessel and ulcer of the cornea etc., have a strong impact on the quality of life of people And operating efficiency.The common pathophysiological features of dry eye morbidity have ocular epithelial barrier to destroy, tear is reduced, Conjunctival Goblet Cells Reduction, ocular epithelial squamous epithelial metaplasia etc..Because dry eye morbidity mechanism is complicated and with diversity, the hair on dry eyes at present A series of bases of interpretation of the cause, onset and process of an illness system, diagnosis and treatment and clinical problem still need further further investigation.
The foundation of animal model is the pathogenesis for studying dry eyes, explores effective and practical means for the treatment of method.Mesh It is preceding it has been reported that the method for building up of dry eyes animal model include:Made by trophic factor, environmental factor, toxicant, medicine With, change animality hormone secretion level, the innervation of removal lachrymal gland or ocular, induction lachrymal gland produce autoimmune response, Surgical removal lachrymal gland and transgenic animals etc..The foundation of these dry eyes animal models generally require technical conditions higher or compared with Time long, and variability is larger.The use of different animals model is respectively provided with certain limitation, has with clinical practice situation Certain gap.
The content of the invention
It is an object of the invention to overcome prior art defect, there is provided a kind of method for building up of dry eyes animal model.
Technical scheme is as follows:
A kind of method for building up of dry eyes animal model, its equipment therefor includes that a box-like body and a lid are located at box-like body On upper lid, built with the liquid for not producing chemical damage to muroid in right amount, the depth of liquid is no more than muroid for box-like body Body is long, more than liquid level is provided with least support bar stood for muroid;Upper lid is provided with a food rest area and and feeds water Area, for muroid normal diet;Specifically include following steps:
(1) muroid experimental animal is placed on support bar, covers lid, place food and drinking water, and periodically more Change the liquid;
(2) above-mentioned muroid experimental animal is made to stand daily in the apparatus 1~24h, the time of standing is sleep deprivation Be put into the muroid experimental animal in common rearging cage after terminating rest by time, standing, is kept quite during rest, it is to avoid bother Muroid experimental animal rests, and continuously repeats the step 1~100d, you can obtain dry eyes animal model.
In a preferred embodiment of the invention, the cross section of the support bar for circle, a diameter of 0.01~ 10cm。
In a preferred embodiment of the invention, the material of the support bar be wooden, bamboo, plastics, irony or Stainless steel.
In a preferred embodiment of the invention, the relatively described box-like body of the support bar is fixed.
In a preferred embodiment of the invention, the liquid is water.
It is further preferred that the liquid is ordinary tap water, pure water or ultra-pure water.
In a preferred embodiment of the invention, the liquid level in support bar distance be 1~5cm.
In a preferred embodiment of the invention, the time of the periodic replacement of the step (1) is 1~2d.
Beneficial effects of the present invention:
1st, the present invention allows muroid experimental animal to stand on the support bar close to the water surface, and animal is needed with certain pin grip Balance could be kept on support bar, when animal enters rapid-eye-movement sleep, holotonia declines, immediately from support bar Upper landing so that face be stained with or the water surface that is dipped into below support bar and wake up with a start suddenly, this behavior can repeated, and selectivity is broken The rapid-eye-movement sleep of animal is broken, sleep deprivation is caused.
2nd, the present invention makes simple, and repeatability is high, model stability.
3rd, the dry eyes animal model that the present invention sets up can strictly control the time that sleep lacks, beneficial to grinding for the dry eyes course of disease Study carefully, and inducement is single controllable, and other influences factor can be avoided to produce influence to experimental result.
4th, in model Induction Process, animal pattern engenders that the characteristic of ocular epithelial barrier destruction changes to the present invention Become:Reduced (proved by methods such as HE dyeing, fluorescein sodium colorings) including corneal epithelial cell, cell arrangement is disorderly, cell Connection reduces (methods such as the immunohistochemistry of mark are connected by cell to be proved), the reduction of epithelial cell proliferation ability and (leads to Crossing the methods such as the immunohistochemistry of ability of cell proliferation mark proves).
5th, in model Induction Process, animal pattern conjunctival epithelial cell, corneal epithelial cell engender squama to the present invention The pathological characteristicses of columnar epithelium metaplasia change:Including cell normal differentiation mark such as conjunctival epithelium Specific marker keratin K19 expression is reduced, and the positive expression of abnormal differentiation mark, such as skin epithelial cell Specific marker keratin occurs The expression of K10.
6th, in model Induction Process, the goblet cell in animal pattern conjunctival epithelial cell is gradually decreased the present invention, can Confirmed with being dyeed with Specific marker MUC5AC immuning tissues.
8th, it is of the invention in model Induction Process, animal pattern corneal epithelial cell top layer apoptosis cells, and its number Amount gradually increases.
9th, in model Induction Process, the aqueous lacrimal secretion of animal pattern is gradually decreased the present invention with time lengthening.
10th, the purposes of the model that the present invention sets up is to lack induction dry eye model by sleeping, and is conducive to dry eye morbidity The research of mechanism;For being screened to Dry eye treatment related drugs and scheme, being identified;Lack phase for sleep deprivation or sleep Research in terms of the pathomechanism of related disorders and treatment.
Brief description of the drawings
Fig. 1 is the structural representation of equipment therefor of the present invention.
Fig. 2 is the fluorescent staining figure of mouse ocular after sleep deprivation different time in the embodiment of the present invention 1.
Fig. 3 is the aqueous lacrimal secretion situation map of mouse after sleep deprivation different time in the embodiment of the present invention 1.
Fig. 4 is the corneal epithelial surfaces stereoscan photograph of mouse after sleep deprivation different time in the embodiment of the present invention 1.
Fig. 5 is the corneal epithelial cell apoptosis detection figure of mouse after sleep deprivation different time in the embodiment of the present invention 1.
Fig. 6 is the corneal epithelial cell Phenotypic examination figure of mouse after sleep deprivation different time in the embodiment of the present invention 1.
Specific embodiment
Technical scheme is further detailed and described below by way of specific embodiment combination accompanying drawing.
Embodiment 1:
A kind of method for building up of dry eyes animal model, its equipment therefor is (as shown in Figure 1) to include a box-like body and a lid The upper lid in box-like body is located at, built with suitable quantity of water, the depth of water is long no more than the body of muroid, more than the water surface 1 for box-like body ~5cm is provided with two support bars stood for mouse (relatively described box-like body is fixed);Upper lid is provided with food placement Pool is fed in area and, for mouse normal diet;Specifically include following steps:
(1) mouse is placed on support bar, covers lid, place food and drinking water, and change every 1~2d Water, to keep cleaning;
(2) mouse is made to stand daily in the apparatus, the time of standing is sleep deprivation time, every afternoon 13:00- 17:00 stands terminate after the muroid experimental animal is put into rest 4h in common rearging cage, kept quite during rest, it is to avoid beat Mouse rest is disturbed, remaining time carries out sleep deprivation, after sleep deprivation different time, such as 1 day, 3 days, 5 days etc., entered to mouse The fluorescent staining of row ocular, lacrimal secretion detection, breakup time of tear film detection, judge mouse dry eyes situation, you can obtain dry eyes animal Model.
As shown in Figures 2 to 6, Fig. 2 is the fluorescent staining of mouse ocular after sleep deprivation different time to concrete outcome, is pointed out With the extension of sleep deprivation time, the fluorescent color of mouse cornea epithelium is more and more.Fig. 3 is for after sleep deprivation different time The aqueous lacrimal secretion situation of mouse, pointed out sleep deprivation after 2 days, and the aqueous lacrimal secretion of mouse is to decline nearly 50%, and is tieed up Hold in low secretion level.Fig. 4 be sleep deprivation different time after mouse corneal epithelial surfaces scanning electron microscopic observation, point out with The extension of sleep deprivation time, the microvillus of mouse cornea epithelial surface is shorter and shorter and more and more rare.Fig. 5 is sleep deprivation The corneal epithelial cell apoptosis detection of mouse, points out with the extension of sleep deprivation time, mouse cornea epithelium after different time The apoptosis of cell is in increase trend.Fig. 6 be sleep deprivation different time after mouse corneal epithelial cell Phenotypic examination, point out with The extension of sleep deprivation time, the expression of mouse cornea epithelial cell K10 gradually strengthens, and shows as squamous metaplasia.
The above, only presently preferred embodiments of the present invention, therefore can not according to this limit the scope of present invention implementation, i.e., The equivalence changes made according to the scope of the claims of the present invention and description and modification, all should still belong in the range of the present invention covers.

Claims (8)

1. a kind of method for building up of dry eyes animal model, it is characterised in that:Its equipment therefor includes that a box-like body and a lid set Upper lid in box-like body, built with the liquid for not producing chemical damage to muroid in right amount, the depth of liquid is or not box-like body Body more than muroid is long, more than liquid level is provided with least support bar stood for muroid;Upper lid is provided with food placement Pool is fed in area and, for muroid normal diet;Specifically include following steps:
(1) muroid experimental animal is placed on support bar, covers lid, place food and drinking water, and regularly replace institute State liquid;
(2) above-mentioned muroid experimental animal is made to stand daily in the apparatus 1~24h, the time of standing is the sleep deprivation time, Be put into the muroid experimental animal in common rearging cage after terminating rest by standing, is kept quite during rest, it is to avoid bother muroid Experimental animal rests, and continuously repeats the step 1~100d, you can obtain dry eyes animal model.
2. method for building up as claimed in claim 1, it is characterised in that:The cross section of the support bar is circle, a diameter of 0.01~10cm.
3. method for building up as claimed in claim 1, it is characterised in that:The material of the support bar be wooden, bamboo, plastics, Irony or stainless steel.
4. method for building up as claimed in claim 1, it is characterised in that:The relatively described box-like body of the support bar is fixed.
5. method for building up as claimed in claim 1, it is characterised in that:The liquid is water.
6. method for building up as claimed in claim 5, it is characterised in that:The liquid is ordinary tap water, pure water or ultra-pure water.
7. method for building up as claimed in claim 1, it is characterised in that:The liquid level is 1~5cm in the distance of support bar.
8. method for building up as claimed in claim 1, it is characterised in that:The time of the periodic replacement of the step (1) be 1~ 2d。
CN201710094351.7A 2017-02-21 2017-02-21 A kind of method for building up of dry eyes animal model Pending CN106857274A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110558240A (en) * 2019-10-11 2019-12-13 浙江中医药大学 Sleep deprivation instrument and establishment method applied to internal heat animal model
CN110618276A (en) * 2019-06-21 2019-12-27 厦门大学 Molecular marker set for detecting sleep deprivation-induced dry eye and application thereof
CN113424772A (en) * 2021-06-18 2021-09-24 李鹏军 Animal sleep deprivation device

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
S.HAKKI ONEN,ETC.: "Effects of rapid eye movement (REM) sleep deprivation on pain sensitivity in the rat", 《BRAIN RESEARCH》 *
YOUNG BOK LEE, ETC.: "Sleep Deprivation Reduces Tear Secretion and Impairs the Tear Film", 《IOVS》 *
张维胜等: "水池平台技术在睡眠研究中的应用", 《临床精神医学杂志》 *
李德明: "睡眠剥夺的心理生理影响", 《心理学动态》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110618276A (en) * 2019-06-21 2019-12-27 厦门大学 Molecular marker set for detecting sleep deprivation-induced dry eye and application thereof
CN110558240A (en) * 2019-10-11 2019-12-13 浙江中医药大学 Sleep deprivation instrument and establishment method applied to internal heat animal model
CN110558240B (en) * 2019-10-11 2022-02-11 浙江中医药大学 Sleep deprivation instrument and establishment method applied to internal heat animal model
CN113424772A (en) * 2021-06-18 2021-09-24 李鹏军 Animal sleep deprivation device

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Application publication date: 20170620

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