Hoechst 33342 and Rhodamine123 Staining for Hematopoietic Stem Cell Characterization Given that the in vitro in vivo dyes Rhodamine123 (Rh123) and Hoechst 33342 (Ho) have proven to be highly effective probes for characterizing, identifying, isolating, and purifying primitive hematopoietic stem cells (PHSCs), distinguishing between groups of cells closely related to stem cells and those that are not. closely related populations. Currently, the methods used to characterize PHSCs are Hoechst 33342 and Rhodamine123 staining.

Principle

The basic principle of Hoechst 33342 and Rhodamine123 staining for hematopoietic stem cell characterization is that Rh123 and Ho, alone or in combination, can be analyzed in conjunction with stem cell-specific surface-associated antigens, lectins, or other in vitro live dyes to accurately sort primitive mouse hematopoietic stem cells into developmental order based on long-term engraftment potential, cell-cycle dynamics and turnover rates, rate of cells entering the cell cycle, cytokine receptor and gene expression patterns, preference for cytokines, responsiveness, and in vitro clone formation. libraries and gene expression patterns, preference for cytokines, responsiveness, and in vitro clone-forming ability to accurately sort primary mouse hematopoietic stem cells by development and distinguish populations that are closely related to stem cells.

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