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中文摘要
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概述 该计划中的三个项目将广泛利用各种遗传方法来研究 心脏功能中的粘附相关候选基因。在某些情况下,鼠转基因方法将是可行的。 用于通过明确的心脏特异性启动子(例如肌球蛋白轻链2)指导所需基因的表达 心室α-肌球蛋白重链(Chen等,1998 a; Chen等人,1998 b; Ross等人,1996; Yasukawa等人, 2003年)。此外,基因靶向方法将用于产生候选基因的“敲除”,或 将特定损伤“敲入”鼠基因组中,使得特定突变的功能作用可以被识别。 在其原生环境中进行检查(Bang等人,2006; Chen等人,1998 a; Chen等人,1998 b; Shai等人,2002年; Zhou 例如,2001年)。标准转基因和基因靶向策略(通过ES细胞中的同源重组) 目前在我们的项目中已经全面投入使用。Chen、诺尔顿和Ross实验室在以下方面拥有丰富的经验: 转基因和基因靶向小鼠模型的产生、鉴定、育种和表征 心脏发育和疾病(Chen等人,1998 a; Chen等人,1998 b; Chu等人,2000 a; Ding等人,二○ ○四年; Huang等人,2003 a; Huang等人,2003 b; Li等人,2005; Liang等人,2005; Ross等人,1996; Shai等人,二○ ○二年; Trifilo等人,2006年; Xu等人,2005; Yasukawa等人,2003; Zhou等人,2001年)。 核心单元C将在UCSD的核心动物设施中识别、繁殖和饲养方正小鼠。芯C 还将负责将整个计划中使用的鼠标分配给每个项目, 其他核心单位。 该核心股的目标如下: 1)提供服务,协助设计适当的转基因或基因靶向 产生小鼠模型所必需的构建体, 2)为了产生转基因和基因靶向小鼠, 3)为各种项目培育和维持合适的基因操作小鼠品系 在计划中,以及 4)为了产生和繁殖区域限制和/或组织特异性所需的小鼠品系, 通过Cre-lox策略的条件基因靶向和过表达。
英文摘要
Overview The three projects in the Program will make extensive use of a variety of genetic approaches to study the role of adhesive-related candidate genes in cardiac function. In certain cases, murine transgenic approaches will be used to direct expression of desired genes via well-defined cardiac-specific promoters (e.g. myosin light chain 2 ventricular, oc-Myosin heavy chain (Chen et al., 1998a; Chen et al., 1998b; Ross et al., 1996; Yasukawa et al., 2003). In addition, gene-targeting approaches will be utilized to generate "knockout" of a candidate gene, or "knock-in" of a specific lesion into the murine genome so that the functional role of a specific mutation can be examined in its native context (Bang et al., 2006; Chen et al., 1998a; Chen et al., 1998b; Shai et al., 2002; Zhou et al., 2001) . Standard transgenesis and gene-targeting strategies (via homologous recombination in ES cells) are currently fully operative in our Program. The Chen, Knowlton, and Ross labs have extensive experience in the generation, identification, breeding, and characterization of both transgenic and gene-targeted mouse models of cardiac development and disease (Chen et al., 1998a; Chen et al., 1998b; Chu et al., 2000a; Ding et al., 2004; Huang et al., 2003a; Huang et al., 2003b; Li et al., 2005; Liang et al., 2005; Ross et al., 1996; Shai et al., 2002; Trifilo et al., 2006; Xu et al., 2005; Yasukawa et al., 2003; Zhou et al., 2001). Core Unit C will Founder mice will be identified, bred, and maintained in a core animal facility at UCSD. Core C will also be responsible for distributing the mice utilized throughout the program to each individual project and other core units. The objectives of this Core Unit are as follows: 1) To provide services to assist in the design of the appropriate transgenic or gene-targeting constructs necessary for production of mouse models, 2) To generate transgenic and gene-targeted mice, 3) To breed and maintain appropriate lines of genetically-manipulated mice for various projects within the Program, and 4) To generate and breed lines of mice required for regionally restricted and/or tissue-specific conditional gene targeting and over-expression via Cre-lox strategies.
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