Scientists identify susceptibility factor for bipolar disorder

A new study provides fascinating insight into the genetic basis of bipolar disorder, a highly heritable mood disorder characterized by recurrent episodes of mania and depression. The research, published by Cell Press online February 24 in the Americ…

Penn researchers find new role for cancer protein p53

PHILADELPHIA – The gene for the protein p53 is the most frequently mutated in human cancer. It encodes a tumor suppressor, and traditionally researchers have assumed that it acts primarily as a regulator of how genes are made into proteins. No…

How long do stem cells live?

LA JOLLA, Calif., March 1, 2011 — When patients receive a bone marrow transplant, they are getting a new population of hematopoietic stem cells. Fresh stem cells are needed when a patient is low on red blood cells, as in anemia, or white blood cel…

HIV makes protein that may help virus’s resurgence

New research enhances the current knowledge of how human immunodeficiency virus type-1 (HIV-1), which causes AIDS, controls the cell cycle of cells that it infects. The new findings may shed light on how the virus reactivates after entering a dorman…

Human umbilical cord blood cells aid diabetic wound healing

Tampa, Fla. (Feb. 22, 2011) — Transplanting human umbilical cord blood-derived endothelial progenitor cells (EPCs) has been found to “significantly accelerate” wound closure in diabetic mouse models, said a team of Korean researchers publishing …

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