CIA 胶原诱导的关节炎模型

 

胶原诱导的关节炎模型 (CIA)
 
实验方案
1. 牛II型胶原溶解在0.05mol/ml的乙酸中,浓度为2mg/ml,搅拌4°C过夜。
2. 注射前,II胶原溶液与同体积的IFA在冰浴中*乳化。
3. *天,每只大鼠尾根部皮内注射0.1ml CII/IFA乳化剂(浓度为1mg/ml)。
4. 第7天,每只大鼠以同样的方式再次注射。
5. 注射后,大鼠关节炎指数根据肉眼评分系统每周两次进行评价。
0-正常
1-一个足爪肿胀和/或发红
2-2个相关关节肿胀和/或发红
3->2个相关关节肿胀和/或发红
4-整个足爪严重炎症
每只大小鼠关节炎指数为每只动物4足爪得分之和。
6. 肿胀严重性根据器官充满度测定法通过气道容积的改变来测定, 一周两次。
 
Brief protocol of Collagen induced arthritis model (CIA)
1. Bovine CII is dissolved in 0.05mol/L acetic acid at a concentration of 2 mg/ml by stirring overnight at 4°C.
2. Before injection, CII is emulsified with an equal volume of IFA in an ice-cold water bath.
3. On day1, each rat is injected intradermally at the base of the tail with 0.1ml CII/IFA the emulsion (1mg/ml).
4. On day 21, a second injection of CII in IFA will be administered using the same amount.
5. After the second injection,rats will be evaluated daily for arthritis using a macroscopic scoring system of 0–4.
0 no signs of arthritis
1 swelling and/or redness of the paw or 1 digit
2=2 joint involved
3=>2 joint involved
4severe arthritis of the entire paw and digits
An arthritis index for each rat is calculated by adding the scores for each of the 4 paws.
6. Swelling severity is also determined by quantitating the change in the paw volume, as measured by plethysmometry.

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20011 Immunization Grade Chick Type II Collagen 2775 chondrex
20012 Immunization Grade Chick Type II Collagen, Solution 2775 chondrex
20021 Immunization Grade Bovine Type II Collagen 2775 chondrex
20022 Immunization Grade Bovine Type II Collagen, Solution 2775 chondrex
20031 Immunization Grade Porcine Type II Collagen 2775 chondrex
20032 Immunization Grade Porcine Type II Collagen, Solution 2775 chondrex
20041 Immunization Grade Rat Type II Collagen 4335 chondrex
20042 Immunization Grade Rat Type II Collagen, Solution 4335 chondrex
20051 Immunization Grade Human Type II Collagen 4590 chondrex
20052 Immunization Grade Human Type II Collagen, Solution 4590 chondrex
20061 Immunization Grade Mouse Type II Collagen 2340 chondrex
20062 Immunization Grade Mouse Type II Collagen, Solution 2340 chondrex
20071 Immunization Grade Goat Type II Collagen 3075 chondrex
20081 Immunization Grade Sheep Type II Collagen 3075 chondrex
2011 ELISA Grade Chick Type II Collagen 2400 chondrex
2012 ELISA Grade Bovine Type II Collagen 2400 chondrex
2013 ELISA Grade Porcine Type II Collagen 2400 chondrex
2014 ELISA Grade Rat Type II Collagen 2910 chondrex
2015 ELISA Grade Human Type II Collagen 4785 chondrex
2016 ELISA Grade Mouse Type II Collagen 6750 chondrex
2017 ELISA Grade Monkey Type II Collagen 3000 chondrex
2021 T-Cell Proliferation Grade Chick Type II Collagen 2400 chondrex

虎克实验室的胶原诱导的类风湿关节炎模型CIA

 

         虎克实验室是的自身免疫性疾病实验动物模型及其相关产品研发和生产企业,上海金畔生物为其中国代理。

   其创始人Suzana Marusic博士曾在惠氏制药长期担任炎性靶点验证实验室的主管,负责哮喘和自身免疫性疾病的研究,研发制备出高度相似性的哮喘和实验性自身免疫性脑脊髓炎小鼠模型,并以此验证了多个药物靶点。Suzana Marusic凭借其多年来在T细胞分离培养、细胞免疫、外周耐受机制及免疫相关疾病和肿瘤研究的丰富经验,创立了虎克实验动物模型公司,致力于为科研和药物研发提供的自身免疫性实验动物模型建立试剂盒,以及相关的实验动物组织和血清。公司目前的实验动物模型主要包括胶原诱导的关节炎模型、实验性自身免疫性脑脊髓炎模型、系统红斑狼疮、炎性肠病等模型的制备试剂盒,以及多种免疫状态下动物组织和血清样本。虎克实验动物模型提供的模型制备试剂盒以预充免疫原的注射器为主,操作简单,结果可靠,可重复性高。 

   类风湿关节炎Rheumatoid arthritis (RA)是一种常见的自体免疫性疾病,多见于关节部位,但在心脏结缔组织、血管、肺、眼皮肤及肾脏均有发现。RA发病中女性多余男性(约21),其症状包括疼痛、肿胀感和僵硬、粘连、关节面糜烂、骨吸收关节变形甚至失去功能。

虎克实验室在RA实验动物模型的建立上有着丰富的经验,其核心动物模型胶原蛋白诱导的类风湿关节炎模型(CIA)即是常用的类风湿关节炎模型,该模型常用DBA/1小鼠建立,但是也可用B10.R111 小鼠, B10.Q 小鼠及Lewis 大鼠建立。

   1、虎克公司提供的CIA模型诱导试剂盒

四种试剂盒区别在使用不同来源的胶原蛋白诱导,斜线后为相应的免疫佐剂。

2、CIA免疫流程

3、CIA模型评价指标

虎克实验动物模型详细产品信息及模型建立相关资料、实验方案请登陆公司:https://hookelabs.com/,或咨询虎克中国代理商:上海金畔生物生物有限责任公司