Aztreonam-Avibactam Activity Against Multidrug-Resistant Klebsiella pneumoniae Complex Background The Klebsiella pneumoniae complex (KPC) is a group of opportunistic pathogens that pose a serious threat to public health. In recent years, the infection rate of multidrug-resistant (MDR) Klebsiella pneumoniae has significantly increased, leading to ex...

Study on the Combination of Cefiderocol and Tetracycline Analogues for Treating Carbapenem-Resistant Acinetobacter baumannii Academic Background Carbapenem-resistant Acinetobacter baumannii (CR-AB) is one of the major pathogens responsible for hospital-acquired infections, often leading to severe conditions such as ventilator-associated pneumonia, ...

Discovery of Celludinone C and Its SOAT Inhibitory Activity Academic Background Sterol O-Acyltransferase (SOAT) is an enzyme that catalyzes the esterification of cholesterol and plays a critical role in maintaining intracellular lipid homeostasis. SOAT has two isozymes, SOAT1 and SOAT2, which exhibit significant differences in tissue distribution a...

Isolation and Identification of Three New Isomer Impurities in Milbemycin Oxime Drug Substance Academic Background Milbemycins are a class of 16-membered macrolides produced by Streptomyces, exhibiting potent anthelmintic and insecticidal activities with low mammalian toxicity. Milbemycins and their derivatives are widely used in agriculture and ve...

Structure-Activity Relationship Studies of ME1111—A Novel Antifungal Agent for Topical Treatment of Onychomycosis Background Onychomycosis is a globally prevalent disease affecting approximately 5.5% of the world’s population. Among its subtypes, distal-lateral subungual onychomycosis (DLSO) is the most common. The treatment of onychomycosis typica...

Advanced Bioresponsive Drug Delivery Systems for Diabetic Vascularized Bone Regeneration Background The treatment of bone defects in patients with Diabetes Mellitus (DM) remains a significant challenge, as the diabetic microenvironment severely impedes bone regeneration. Various abnormal factors in the diabetic microenvironment, such as hyperglycem...