Genetically modified mouse models have been very useful in research on neurodegenerative disorders,and the proposed program will take maximal advantage of this valuable resource. The main goal of Core C isto help the project leaders address their research questions conclusively with the minimal number of animalsand experiments possible. To achieve this goal, we propose six specific aims.
Aim 1 : Maintain all animals ina manner that ensures the reliable selection of experimental and control groups for timely distribution to thedifferent projects. Rodents will be housed in specific-pathogen-free animal care facilities in the Gladstonebuilding at UCSF's Mission Bay campus and in the Medical Teaching Facility at UCSD's La Jolla campus.Detailed information on these animals will be recorded in a database that is accessible to all project leadersand their coworkers via the computer networks of the Gladstone Institutes and the University of California.
Aim 2 : Breed the different lines of genetically modified mice and determine the genotype of the offspring bypolymerase chain reaction (PCR). The core personnel have ample experience in genotyping geneticallymodified mice and maintaining complex animal databases.
Aim 3 : Receive mice from the Gladstonemicroinjection facility and blastocyst core and identify new genetically modified lines of mice. Gladstone andUCSD maintain state-of-the-art facilities for transgene microinjection and gene targeting.
Aim 4 : Periodicallyanalyze all lines of mice to confirm that levels and patterns of (trans)gene expression have remained stable.Cerebral levels of transgene expression will be tested by quantitative fluorogenic PCR. The distribution oftransgene expression will be characterized in collaboration with Core D. We will also collaborate closely withCore D and veterinary staff to continually optimize our protocols for the anesthesia and perfusion of animalsand for the removal, dissection, and proper storage of neural tissues.
Aim 5 : Ship mice to Dr. Masliah atUCSD and to investigators at other institutions, and provide the investigators with advice on the genotypingand husbandry of the mice. We have distributed our animal models to many institutions around the world andwill continue to make our models available to the scientific community.
Aim 6 : Maintain a comprehensivemouse colony database to efficiently store and manage detailed information for current and futureexperiments. We will continue to optimize our database to store mouse colony data in a clear and accessiblemanner, minimize the effort and time required to enter data, and facilitate the development of individualizedmodules to best suit the needs of specific investigators and studies.
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