Mouse models are already essential for the measurement of a drug candidate activity in pathophysiology of diseases. To date, there is no alternative method to in-vivo models for studying an integrated response involving nervous, endocrine, blood (hematopoietic), immunological and tissue systems.
All purpose models were approved by the French Ministry of Education and Research (APAFIS).
The mouse responds to allergen administrations by an allergic-type response of the airways characterized by an influx of inflammatory cells (eosinophils) , and a hyper-reactivity of the airways mimicking the asthmatic symptoms and allows the study of therapeutic targets.
We developed several models, well characterized and adapt to study potency of drug candidate.
Nasal administration of bleomycin induce an inflammatory response follow by the development of a lung fibrosis. This model is robust and able to identified novel therapies.
The mouse responds to intranasal administration of LPS by a rapid and robust neutrophilic inflammatory response of the airways that allows the study of therapeutic targets and drug candidates with anti-inflammatory activity.
Atopic dermatitis may be induced by topical administration of calcipotriol (MC903, a precursor of vitamin D) to the ears of mice. Repeated administration of MC903 leads to sensitization and recruitment of eosinophils and macrophages in the ear tissues and is accompanied by skin irritation (swelling, pruritus, redness and desquamation).
This model involves grafting tumor cells to a different site from the original tumor. These grafts are carried out subcutaneously, on the animal's flank, for easy grasping of the animal without risk of injury or pain, and which allows simple and rapid monitoring of tumor growth by caliper measurement. This model has the advantage of being suitable for most tumor lines available, whether of human or animal origin.
Ovalbumin (OVA), House dust mite (HDM)
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