Plain English Summary
P21 is a protein that acts as a critical regulator of the cell cycle, serving as a checkpoint to stop damaged or stressed cells from dividing. By inducing cell-cycle arrest, it helps prevent the replication of mutated DNA and aids in the clearance of senescent (aged/damaged) cells via the immune system.
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References
- 1https://pubmed.ncbi.nlm.nih.gov/27156098/
- 2https://pubmed.ncbi.nlm.nih.gov/34709885/
- 3https://pubmed.ncbi.nlm.nih.gov/35024619/
- 4https://pubmed.ncbi.nlm.nih.gov/31416295/
- 5https://pubmed.ncbi.nlm.nih.gov/35443176/
- 6https://pubmed.ncbi.nlm.nih.gov/32481484/
- 7https://pubmed.ncbi.nlm.nih.gov/24858045/
- 8https://pubmed.ncbi.nlm.nih.gov/41178462/
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p21 (Cyclin-dependent kinase inhibitor 1)
p21 is a protein that plays a critical role in controlling cell growth and division. It acts as a gatekeeper, arresting the cell cycle to allow for DNA repair or to trigger immune surveillance when a cell is damaged or stressed. In the context of aging and cancer research, p21 is being studied as a marker for senescent (aged) cells and a potential therapeutic target for removing those cells to improve healthspan.
SS-31 (Elamipretide)
SS-31, also known as Elamipretide, is a synthetic peptide designed to target mitochondria. It acts as an antioxidant that stabilizes the inner mitochondrial membrane, helping to protect cells from oxidative stress, improve energy production, and reduce cell death in conditions involving mitochondrial dysfunction.
SS-31 (Elamipretide)
SS-31, also known as Elamipretide, is a synthetic tetrapeptide designed to target and protect mitochondria. By stabilizing the inner mitochondrial membrane and interacting with cardiolipin, it helps maintain mitochondrial energy production and reduce the generation of damaging reactive oxygen species (ROS) caused by stress or age-related dysfunction.
SS-31 (Elamipretide)
SS-31, also known as Elamipretide, is a mitochondria-targeted peptide designed to stabilize the inner mitochondrial membrane by binding to cardiolipin. It is primarily researched for its ability to reduce oxidative stress, improve mitochondrial bioenergetics, and protect against cellular damage in conditions involving ischemia, inflammation, and aging-related degeneration.
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This is not medical advice. Always consult a licensed healthcare provider before using any compound. No dosing or sourcing guidance is provided.
