Animal Model Development for Chronic Inflammation
Chronic inflammation (CI), characterized by unresolved inflammation persisting for prolonged periods, can exacerbate tissue damage in various organs. Understanding the cellular and intracellular pathways involved in CI is crucial for developing effective treatments. Animal models play a significant role in studying CI mechanisms and in developing new therapies for various chronic conditions, such as cardiovascular diseases, high blood pressure, obesity, Alzheimer’s, rheumatoid arthritis, asthma, and multiple sclerosis.
Among the commonly used animals for CI studies, mice stand out due to their high genomic similarity to humans (approximately 97.5%). Specifically, C57BL/6 and Balb/c mice are popular strains in experimental research. These mice possess distinct immune response characteristics that make them suitable for modeling different aspects of chronic inflammation.
C57BL/6 mice exhibit a robust Th1 immune response and produce high levels of Interferon-gamma (IFN-Ρ), making them suitable for modeling conditions characterized by Th1-driven inflammation. They also have a highly active complement system and demonstrate ease in inducing immune tolerance.
On the other hand, Balb/c mice display a strong Th2 immune response, making them ideal for modeling allergic reactions and certain infectious diseases. They exhibit high production of IgG1 and IgA antibodies, along with elevated complement activity but lower interferon production compared to C57BL/6 mice. Additionally, Balb/c mice generate a more potent humoral response against antigens compared to the C57BL/6 strain.
The utilization of these mouse strains in experimental studies allows researchers to mimic specific aspects of chronic inflammation observed in humans, facilitating a deeper understanding of CI mechanisms and the development of targeted therapeutic interventions.
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