2 results about "Thymopentin" patented technology

The application discloses a kind of sea fish mycobacterium infection mouse model based on T cell immune state difference and its construction method and application.The method under unified infection condition (bacterial amount 1×10 4 CFU, temperature 25 DEG C, time 4 weeks), respectively, constructs the infection model of congenital T cell immune deficiency nude mouse and the thymus pentapeptide processing mouse model of acquired T cell immune regulation, by comparing and analyzing the infection phenotype and pathological changes under different immune states, for the mechanism of T cell immunity in non-tuberculous mycobacterium infection, screening immune regulation treatment drug provides standardized experimental model.

The invention discloses a preserving fluid for an umbilical cord mesenchymal stem cell preparation. The preserving fluid comprises 0.9% sodium chloride injection, human serum albumin and thymopentin for injection. The preserving fluid can stably preserve stem cells for 72 hours at the room temperature of 15-30 DEG C, and the cell viability is maintained to be 80% or above; meanwhile, the preserving fluid is simple in component, does not contain complex additives such as a pH buffering agent and an antioxidant, and is simple and convenient in preparation process and easy in cost control.