A critical review on induced totipotent stem cells: Types and methods
Mohammad H Ghazimoradi1, Ali Khalafizadeh1, Sadegh Babashah1
1Department of Molecular Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran.
Stem Cell Research
|July 25, 2022
Summary
Researchers explore inducing totipotent stem cells, crucial for embryo development. This review details mouse progress in understanding induction mechanisms and blastoid development from these unique cells.
Area of Science:
- Developmental biology
- Stem cell research
- Epigenetics
Background:
- Totipotent stem cells can form an entire embryo.
- Induced totipotent stem cells (iTots) are generated from other cell types.
- Unique transcriptional and epigenetic networks characterize iTots.
Purpose of the Study:
- To review recent advancements in mouse models for inducing totipotent stem cells.
- To elucidate the underlying mechanisms of totipotent stem cell induction.
- To discuss the progress of blastoids derived from totipotent stem cells.
Main Methods:
- Review of current literature on mouse totipotent stem cell induction.
- Analysis of transcriptional and epigenetic data.
- Examination of blastoid formation and characteristics.
Main Results:
- Efficient methods for inducing totipotent stem cells have been developed.
- The precise mechanisms of induction require further investigation.
- Questions remain about whether induction truly creates new totipotent cells or promotes existing ones.
Conclusions:
- Significant progress has been made in inducing totipotent stem cells in mice.
- Further research is needed to fully understand the mechanisms and origins of induced totipotency.
- Blastoid development from totipotent stem cells shows promise for developmental biology studies.


