The c12a microphone blood system is supported by hematopoietic stem and progenitor cells (HSPCs) found in a specialized microenvironment called the niche.Many different niche cell types support HSPCs, however how they interact and their ultrastructure has been difficult to define.Here, we show that single endogenous HSPCs can be tracked by light mi

Organ/tissue transplantation has become an effective therapy for end-stage diseases.However, immunosuppression after transplantation may cause severe side effects.Donor-specific transplant tolerance was proposed to solve this problem.In this study, we report a novel method for inducing and maintaining heart allograft tolerance rats.First, we induce