FAQ
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What are stem cells?
Stem cells are primitive cells with the capacity for self-renewal and multi-lineage differentiation. They are the origin cells of the body and the foundational cells that give rise to various human tissues and organs. Under specific conditions, stem cells can differentiate into multiple functional cell types or tissues, which is why they are often referred to in the medical field as “universal cells.”
What is the role of stem cells?
The role of stem cells is to leverage their ability to replicate indefinitely, producing large numbers of functional cells that enable human organs to function properly. Scientists summarize the five key roles of stem cells as the “5Rs”:
Replace — replacement or supplementation;
Repair — repair or restoration;
Regenerate — regeneration of tissues and organs;
Restore — recovery or restoration of vital functions;
Regress — regression of cancer cells.
What are the characteristics of stem cells?
Stem cells have the following characteristics:
(1) Self-renewal capacity, enabling continuous replication.
(2) Multi-lineage differentiation potential, allowing differentiation into multiple cell types and, under specific conditions, induction into specialized cells.
(3) Non-terminally differentiated cells, exhibiting undifferentiated or low-differentiation characteristics and lacking differentiation markers.
(4) Unlimited proliferative ability under certain conditions, capable of continuous division over multiple generations or remaining in a quiescent state for extended periods.