Blood cells traced to a common ancestor. (the cell that replenishes red and white blood cells) From: Science News | Date: November 9, 1991| Author: | COPYRIGHT 1991 Science Service, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information) Copyright information

After years of sifting through thousands of bone marrow samples, California researchers announced this week that they have identified a candidate "pluripotent" human blood cell - the elusive, primordial cell thought to serve as a fount replenishing red and white blood cells throughout a person's life.

The pluripotent blood cell has been the Holy Grail of hematology because it may hold the key to cures for a host of genetic disorders, leukemias and immune-system diseases such as AIDS. But the purported discovery has already generated controversy among hematologists, some of ...

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