TMSB4X and Ureteral obstruction: Furthermore, N-acetyl-seryl-aspartyl-lysyl-proline, the N-terminal tetrapeptide generated by Tmsb4x cleavage,20 has beneficial effects on fibrosis and inflammation in unilateral ureteral obstruction, remnant kidneys, diabetic nephropathy, and glomerulonephritis.18, 21, 22, 23