The present invention belongs to the field of pharmaceutical industry and relates to an in vitro method for identifying test compounds which are capable of modulating adenosine triphosphate (ATP) release from cells by inhibiting or stimulating an ATP-Binding Cassette Transporter (ABC Transporter)-mediated transport of ATP. The invention further relates to compounds having the above capability for treating specific diseases.本發明屬於醫藥工業領域且係關於鑑定測試化合物的活體外方法,該等測試化合物能夠藉由抑制或刺激ATP結合匣轉運子(ABC轉運子)介導之ATP轉運來調節細胞釋放三磷酸腺苷(ATP)。本發明進一步關於具有用於治療特定疾病之上述能力的化合物。