Abstract: Disclosed is an oxygen-containing heterocyclic compound, and use thereof. The present disclosure provides an oxygen-containing heterocyclic compound represented by Formula I, a pharmaceutically acceptable salt thereof, deuterated derivative thereof, a solvate thereof, a solvate of the pharmaceutically acceptable salt thereof or a crystal form thereof, and the oxygen-containing heterocyclic compound is expected to selectively inhibit Smad3 activation.

Abstract: A method for identifying the risk of developing Chronic Allograft Nephropathy (CAN) in a patient that received a kidney transplant from a donor which comprises identifying the race of the donor; determining the levels of SHROOM 3 expression in a kidney biopsy specimen obtained from the patient at a predetermined time after transplant; comparing the level of SHROOM 3 expression in the biopsy specimen with the levels of SHROOM 3 expression in a control; determining if the level of SHROOM 3 expression in the allograft is significantly higher than in the control, and diagnosing the patient as being at risk for CAN if the level of SHROOM 3 expression in the specimen is significantly higher than in the control.

Abstract: A method for identifying the risk of developing Chronic Allograft Nephropathy (CAN) in a patient that received a kidney transplant from a donor which comprises identifying the race of the donor; determining the levels of SHROOM 3 expression in a kidney biopsy specimen obtained from the patient at a predetermined time after transplant; comparing the level of SHROOM 3 expression in the biopsy specimen with the levels of SHROOM 3 expression in a control; determining if the level of SHROOM 3 expression in the allograft is significantly higher than in the control, and diagnosing the patient as being at risk for CAN if the level of SHROOM 3 expression in the specimen is significantly higher than in the control.

Abstract: Compounds that are selective inhibitors of Smad3 activation are disclosed. The compounds have the following structure: in which Z is an oxadiazole. The compounds disclosed are useful in treatment of fibrotic disease, particularly renal fibrosis, and similar diseases associated with the dysregulation of the HIPK2/Smad3 signaling pathway.

Abstract: Compounds that are selective inhibitors of Smad3 activation are disclosed. The compounds have the following structure: in which Z is an oxadiazole. The compounds disclosed are useful in treatment of fibrotic disease, particularly renal fibrosis, and similar diseases associated with the dysregulation of the HIPK2/Smad3 signaling pathway.

Abstract: The present invention provides the use of ATG in the preparation of a reagent for adjusting the activity of PP2A; and the use of ATG in increasing the activity of PP2A in 293T cells. The present invention also provides the use of the arctigenin in the preparation of the medicine for reducing the proteinuria of the diabetic mice. The present invention also provides the use of the arctigenin in the preparation of the reagent for inhibiting the expression of the NOX4 gene. The present invention also provides analogues of arctigenin and application thereof. The present invention provides a novel use of ATG for modulating PP2A activity, and ATG can also significantly reduce proteinuria in diabetic mice. At the same time, arctigenin could significantly inhibit the expression of NOX4 in STZ-eNOS?/? mice glomeruli. The ATG analogues of the present invention are more effective than the native ATG.