Animal Models of Human Disease

The use of animal models in biomedical research requires a philosophical examination of how knowledge about human diseases can be gained from studying other species. This Element explores the selection and construction of animal models, their roles in translational research, and the challenges and debates surrounding their limitations and future. It also examines the prospects of replacing animal models with animal-free methods.

Format: Paperback / softback
Length: 90 pages
Publication date: 16 May 2024
Publisher: Cambridge University Press

The use of animal models in biomedical research is a complex and contentious issue that requires careful philosophical consideration. While animal models have played a critical role in advancing our understanding of human diseases, there are concerns about whether knowledge gained from studying other species can be directly applied to humans. This Element explores the selection and construction of animal models to serve as preclinical substitutes for human patients, as well as their multifaceted roles in translational research. It also examines the boundaries between humans and animals and the challenges that arise from these boundaries.

One of the key challenges in animal modeling is the need to balance standardization and variation in medicine. On the one hand, standardization allows for more accurate and reproducible research results, but on the other hand, it can limit the ability to study the full range of human diseases and physiological responses. Another challenge is the distinction between strategies that aim to reduce and recapitulate biological complexity and those that seek to understand the underlying mechanisms of disease.

Despite these challenges, animal models continue to play a critical role in biomedical research. They allow researchers to test hypotheses and develop treatments in a controlled and reproducible environment, and they have helped to identify many important biological pathways and drug targets. However, there is growing interest in developing animal-free methods that can replace animal models in some cases.

One approach to animal-free modeling is computer simulation, which allows researchers to model biological systems and processes using mathematical algorithms. While computer simulations have limitations, such as the inability to replicate complex physiological processes, they are increasingly being used to study drug interactions, disease progression, and other biological phenomena.

Another approach is tissue engineering, which involves the growth of cells and tissues in vitro to mimic the structure and function of human organs and tissues. While tissue engineering has made significant progress in recent years, it still has limitations in terms of reproducing the complex interactions between cells and tissues that occur in vivo.

In conclusion, the use of animal models in biomedical research is a complex and contentious issue that requires careful philosophical consideration. While animal models have played a critical role in advancing our understanding of human diseases, there are concerns about whether knowledge gained from studying other species can be directly applied to humans. However, animal models continue to play a critical role in biomedical research, and there are ongoing efforts to develop alternative methods that can replace animal models in some cases. Philosophers, social scientists, and scientists alike should be interested in the ongoing debates and developments in this field.

ISBN-13: 9781009012300