Lentztrehalose A, a disaccharide microbial metabolite identified in Lentzea, exhibits a range of biological activities. This compound specifically inhibits M. smegmatis trehalase—an enzyme involved in trehalose metabolism—more effectively than trehalase from porcine kidney, with IC50 values of 0.67 mM and >20 mM, respectively. Additionally, Lentztrehalose A at a concentration of 100 mM promotes autophagy in MeWo melanoma and OVK18 ovarian cancer cells. When administered at 50 mg kg daily, it enhances survival rates and impedes tumor growth in a Sarcoma 180 murine sarcoma model.
Lentztrehalose B, a microbial disaccharide metabolite isolated from Lentzea, exhibits a range of biological activities. At a concentration of 100 µM, it demonstrates antioxidant properties in an oxygen radical absorbance capacity (ORAC) assay. Furthermore, Lentztrehalose B at 10 mM inhibits porcine kidney trehalase, an enzyme involved in trehalose metabolism. Additionally, it induces autophagy in MeWo melanoma and OVK18 ovarian cancer cells when applied at 100 mM.