Study uncovers the secret of long-lived stem cells

Nothing lives forever, but compared to other cells in the body, hematopoietic stem cells (HSCs) are remarkably long-lived. HSCs are blood-forming cells—they give rise to rapidly dividing progenitor cells, which in turn ...

Protein chaperone takes its job seriously

For proteins, this would be the equivalent of the red-carpet treatment: each protein belonging to the complex machinery of ribosomes—components of the cell that produce proteins—has its own chaperone to guide it to the ...

Study reveals dynamics of crucial immune system proteins

Of the many marvels of the human immune system, the processing of antigens by the class I proteins of the major histocompatability complex (MHC-I) is among the most mind-boggling. Exactly how these proteins carry out their ...

Microscopic collisions help proteins stay healthy

Studies at The University of Texas Health Science Center at San Antonio are providing basic new understanding about "heat shock proteins," also called "chaperone proteins." These proteins, first identified in cells subjected ...

Chaperones for climate protection

(PhysOrg.com) -- The World Climate Conference recently took place. Reports about carbon dioxide levels, rising temperatures and melting glaciers appear daily. Scientists from the Max Planck Institute (MPI) of Biochemistry ...

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