the Safety and Efficacy of Intravitreal Injection of Tpdelansbsalbac in Malignant Effusions.

Tpdelansbsalbac,which is Knockdown of ansB, a gene that expresses L-mentholase secreted into the extracellular region, on the basis of the genetic background of bacterium VNP20009, and construction of an ansB gene-deficient mutant strain, ΔansB.