When most cells divide, they simply make more of themselves. But stem cells, which are responsible for repairing or making new tissue, have a choice: They can generate more stem cells or differentiate into skin cells, liver cells, or virtually any of the body's specialized cell types.
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Coverage of the latest news and updates from ongoing clinical trials from various sources.
The subventricular zone (SVZ) in normal newborns' brains is home to the largest stockpile of neural stem/progenitor cells, with newly generated neurons migrating from this zone to specific regions of the frontal cortex and differentiating into interneurons.
During the "in vivo" reprogramming process, cellular telomeres are extended due to an increase in endogenous telomerase. This is the main conclusion of a new study by a team from the Spanish National Cancer Research Centre (CNIO).
The prospect of regenerating bone lost to cancer or trauma is a step closer to the clinic as University of Wisconsin–Madison scientists have identified two proteins found in bone marrow as key regulators of the master cells responsible for making new bone.
Today, a stroke is a leading cause of long-term disability. But in the future, the stroke-injured brain could be reparable by replacing dead cells with new, healthy neurons, using transplantation.
Growing organs from one species in the body of another may one day relieve transplant shortages. Now researchers show that islets from rat-grown mouse pancreases can reverse disease when transplanted into diabetic mice.
A new study in rats shows that stem cell secretions called exosomes appear to protect cells in the retina, the light-sensitive tissue in the back of the eye.
Scientists at the Salk Institute were able to grow a rat pancreas as well as heart and eyes in a developing mouse, providing proof-of-concept that functional organs from one species can be grown in another.
Scientists have developed a prototype for a 3D bioprinter that can create totally functional human skin. This skin is adequate for transplanting to patients or for use in research or the testing of cosmetic, chemical and pharmaceutical products.
Scientists in the field of regenerative medicine have developed a set of ethical guidelines that they hope will become standard consideration for research into human organ models.