CN108619162A - The construction method of type 1 diabetes mouse responsible drinking model - Google Patents

The construction method of type 1 diabetes mouse responsible drinking model Download PDF

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Publication number
CN108619162A
CN108619162A CN201710180212.6A CN201710180212A CN108619162A CN 108619162 A CN108619162 A CN 108619162A CN 201710180212 A CN201710180212 A CN 201710180212A CN 108619162 A CN108619162 A CN 108619162A
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diabetes
mouse
type
days
model
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CN201710180212.6A
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Inventor
梁文妹
李欣
李一欣
李容瑢
夏白娟
尹丹
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Guizhou Medical University
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Guizhou Medical University
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/70Carbohydrates; Sugars; Derivatives thereof
    • A61K31/7008Compounds having an amino group directly attached to a carbon atom of the saccharide radical, e.g. D-galactosamine, ranimustine

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Medicinal Preparation (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)

Abstract

The invention discloses the construction methods of type 1 diabetes mouse responsible drinking model, belong to medical animal experiment method;It is intended to drink model by establishing diabetic mice, drinks and certain basic data is provided for type 1 diabetes and science health.Method is to establish diabetic mouse model by low dose of repeatedly intraperitoneal injection streptozotocin after selecting bull C57BL/6J mouse, gavage to drink.The present invention has preferable stability and repeatability, and foundation is drunk and on the basis of type 1 diabetes mouse model, simulation diabetes patient drinks and detects corresponding endocrine indexes stablizing.

Description

The construction method of type 1 diabetes mouse responsible drinking model
Technical field
The present invention relates to a kind of medical assessment, detection methods, relate generally to a kind of application medical experiment animal methods.
Background technology:It is the indispensable a part of culture of human lives, social development to drink.It drinks and healthy relationship Research, is also receiving more and more attention and is paying attention to.It is quite bright to digestion, the influence of internal system if it is improper to drink It is aobvious.But responsible drinking is then different.In terms of angiocarpy, the blood pressure level less alcohol user and abstainer of responsible drinking person It is low.Also some researches show that Mutation of Patients with Cardiomyopathy after excessive consumption of alcohol is changed to responsible drinking, and heart function is got back recovery.Pass through certain white wine To being observed after intragastric administration on mice, the white wine in range of doses can be such that the oxidation resistance of mouse enhances.How E-at pleasure, drink with measure It is particularly important.
Diabetes are a worldwide health problems, wherein type 1 diabetes (type 1diabetes Mellitus, T1DM) clinical symptoms are more serious and involve young man more, and illness rate is also increased with 2%~5% speed.Mesh Before think that T1DM is the autoimmune disease that is selectively destroyed of B cell that T cell mediates, T1DM patient in heredity and Under the collective effect of environmental factor, cause selective destruction B cell, insulin (insulin, Ins) caused absolutely to lack, Blood glucose rise, to cause T1DM.Establish comparatively ideal animal model has to study the pathogenesis of the disease, prevent and treat Significance.Common diabetes animal model has experimental diabetic animal models and Spontaneous Diabetic animal model.It lures There are many drug for leading animal generation diabetes, wherein pancreas islet of the streptozotocin (streptozotocin, STZ) to experimental animal B cell has the toxic effect of high selectivity, and relatively small to body tissue toxicity, and modeling long-time stability are good, are mesh It is preceding to be commonly used to prepare the drug of diabetes animal model both at home and abroad;And low dose of multiple injection STZ, so that immunocyte is infiltrated pancreas T1DM, the more Development process close to mankind T1DM occur for island, induction C57BL/6J mouse.
Compared with ethyl alcoh(ol), edible distillate spirit manufacture craft is special, contains the biological active matters such as pyrazine compounds, terpenes Matter.Modern study has research to think to drink and may increase the micro- blood of T1DM patient to drinking with the relationship of diabetes there are still arguement Pipe complication separately has research then to show that responsible drinking can improve Ins sensibility.It is mainly to the research for diabetes of drinking at present To the periodic investigation return visit of diabetes alcohol user and lanqin oral solutions, have many advantages, such as that easy, the field of investigation is wide, but be vulnerable to The influence of surveyee's individual factor, experimental period is long, and funds in need are higher.And animal model be more common in potable spirit rather than Edible distillate spirit, and lack related Morphological data.
Invention content:
The present invention simulates glycosuria on the basis of foundation relatively stablizes and drinks mouse model and diabetic mouse model by mouse Patient drinks edible distillate spirit, can preferably make up the defect of above-mentioned experiment, and concern different onset time point various dose is drunk Influence to blood glucose in diabetic mice, pancreas islet provides certain basic data for diabetes patient's responsible drinking.
To achieve the goals above, the technical solution adopted by the present invention is as follows:
The male C 57 BL/6 J mouse of a weight 18-20g, adaptable fed 1 week;It is divided into low dose group and high dose group, even Continuous gavage is drunk to materials, 1 time a day;Low dose group drinks dosage for 2.5ml/kg, and high dose group drinks dosage for 5ml/kg.
STZ 40mg/kg were injected intraperitoneally in the 5th week in b, 1 time a day, continuous injection 5 days.
C takes tail point blood to survey fasting blood-glucose on the the 3rd, 7,10,14,21,28 day from after starting intraperitoneal injection STZ, takes tail of pancreas tissue.
Compared with the prior art, the present invention drinks edible distillate spirit by mouse, establishes type 1 diabetes mouse model, simulation Diabetes patient drinks, and the morphological change of concern mice pancreatic original position has preferable stability and repeatability.
Description of the drawings
Fig. 1 is that immunohistochemistry shows that B cell, the expression of scale=40 μm, observation B cell Ins change.
Fig. 2 is the average optical density value of B cell, the expression quantity variation of detection B cell Ins
Fig. 3 is the face number density value of B cell, detects the change of B cell quantity
It is that diabetes are drunk mouse model and the contrast experiment of mouse model and diabetic mouse model of drinking merely below:
A drinks merely low dose group (LDG, n >=6), high dose group (HDG, n >=6), and diabetes are drunk low dose group (D- LDG, n >=6), high dose group (D-HDG, n >=6) drunk by gavage, dosage of drinking is low dosage 2.5ml/kg, high agent Amount group 5ml/kg, 1 times/day, continuous gavage is extremely drawn materials.
Drink group (n >=6) and diabetes group (DG, n >=6) of diabetes passes through STZ is injected intraperitoneally from b gavages the 5th week 40mg/kg, continuous 5 times, establishes T1DM mouse models by 1 times/day.Blank control group (BCG, n=3) does not do specially treated.
C each groups mouse respectively takes tail point blood to survey fasting blood-glucose on the the 3rd, 7,10,14,21,28 day after starting to inject STZ. Every group takes tail of pancreas tissue respectively:It is respectively used to immunohistochemistry and real-time PCR.
Experimental result:
1. as shown in table 1, fasting blood sugar drinks merely group without significant change;Diabetes and diabetes are drunk high dose group Fasting blood sugar starts to increase (P for 14 days<0.05), diabetes low dose group of drinking then begins to ramp up (P in 21 days<0.05), high In diabetes mice at mould standard 11.1mmol/L, diabetes model is prompted to set up.
2. ImmunohistochemistryResults Results are as shown in Figure 1, compared with BCG, DG, D-LDG, D-HDG mouse prolong with the injection STZ times Long B cell is reduced in progressive, and most of B cell immune response gradually weakens, but a small amount of remaining B cell immune response is increased By force.Each time point mouse islets B cell Ins average optical density values measurement result is as shown in Fig. 2, the simple apparent change of group nothing of drinking Change.Diabetes group, diabetes drink group in the 7th, 10,14 day be in higher level, prompt the compensatory of undamaged B cell Property secretion Ins increase.
3. as shown in Fig. 3 and table 2, each time point blank control group, a simple group mouse islets B cell face number density of drinking, Ins mRNA differential expressions are not statistically significant;Diabetes group, diabetes, which drink to organize, to be continuously decreased from 7 days, and B cell damage is prompted Wound is gradually accumulated, and the miopragia for secreting Ins is even lost.
This patent is described in detail above with reference to specific implementation mode, in dosage of drinking, duration and the drink of this patent setting The damage of T1DM mouse islets B cells is not aggravated in wine type, can be provided for diabetes patient's responsible drinking certain reference according to According to.
1 fasting blood sugar testing result (mmol/L) of table
Compared with blank control group, low dose group of drinking and high dose group of drinkingP<0.05,*P<0.01
The transcriptional level of Ins mRNA in 2 pancreatic tissue of table
Compared with BCG, LDG, HDGP<0.05,*P<0.01。

Claims (3)

1. 1.1 patients with type Ⅰ DM mouse responsible drinking model of claim, specific construction method are as follows:
A selects the male C 57 BL/6 J mouse of weight 18-20g, adaptable fed 1 week;
B continuous gavages are drunk to materials;
Streptozotocin 40mg/kg is injected intraperitoneally in c gavages from the 5th week, 1 time a day, continuous injection 5 days;
D takes tail point blood to survey fasting blood for the 3rd day, 7 days, 10 days, 14 days, 21 days, 28 days after starting that streptozotocin is injected intraperitoneally Sugar takes tail of pancreas tissue.
2. model building method of the claim 2. according to claim 1 further includes drinking type for 54 ° of Dong Jius.
3. model building method of the claim 3. according to claim 1,2, drinks and is divided into low dose group and high agent Amount group, low dose group of drinking are 2.5ml/kg, high dose group 5ml/kg, daily gavage 1 time.
CN201710180212.6A 2017-03-24 2017-03-24 The construction method of type 1 diabetes mouse responsible drinking model Pending CN108619162A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101601863A (en) * 2008-06-13 2009-12-16 上海师范大学 A kind of construction method of diabetes animal model
CN102812921A (en) * 2012-09-04 2012-12-12 东北师范大学 Method for establishing type 2 diabetes animal model and application of type 2 diabetes animal model in screening of blood sugar reducing medicaments
CN106377529A (en) * 2016-11-10 2017-02-08 广西中医药大学 Method for quickly making models of diabetic mice

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101601863A (en) * 2008-06-13 2009-12-16 上海师范大学 A kind of construction method of diabetes animal model
CN102812921A (en) * 2012-09-04 2012-12-12 东北师范大学 Method for establishing type 2 diabetes animal model and application of type 2 diabetes animal model in screening of blood sugar reducing medicaments
CN106377529A (en) * 2016-11-10 2017-02-08 广西中医药大学 Method for quickly making models of diabetic mice

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
尹丹,等: ""某54° 食用白酒对大鼠血糖及胰岛A 细胞表达胰高血糖素的影响"", 《广东医学》 *
张璞,等。: ""1 型糖尿病小鼠模型构建及胰岛B细胞中胰岛素表达"", 《贵阳医学院学报》 *

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Application publication date: 20181009