For example, researchers can now use combinations
of transgenic animal models and modern imaging techniques to view single cells buried deep within embryos.
Using a combination of human tissue biopsies,
novel transgenic animal models and cell culture studies, the researchers established a link between expression of MMP3 and activation of Rac1b.
While a post-doctoral fellow at the University of Cincinnati College of Medicine, he succeeded in establishing a variety of
useful transgenic animal models to elucidate mechanisms of cardiac excitation - contraction coupling and heart failure.
These findings are supported by another study reporting decreased activity of complex IV in a
triple transgenic animal model (P301Ltau / APP / PS1)[60].
Although further refinement and testing is needed, Dr. Burgess said the new techniques have the potential to speed the production of many different types
of transgenic animal models that will shed new light on human development and disease.
Given the lack of definitive AD biomarkers in humans,
transgenic animal models of the amyloid pathology continue to be valuable tools to examine molecular changes preceding the deposition of amyloid plaques and associated pathology (i.e. late inflammation, neuritic dystrophy, etc.).