Biostir

Biostir is a specialized biotechnology company based in Japan that focuses on the development and supply of reagents and animal models for allergic diseases, particularly atopic dermatitis. The company is best known for its proprietary Biostir-AD ointment, which contains chemically modified house dust mite extract used to induce atopic dermatitis-like skin lesions in laboratory mice. This model is widely utilized by pharmaceutical companies and academic researchers globally to evaluate the efficacy of new dermatological treatments. Beyond its flagship induction reagents, Biostir provides contract research services (CRO) for efficacy testing in allergy and inflammation models. The company's products and services are essential tools for preclinical drug discovery in the fields of immunology and dermatology.