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Tag: Stem Cells + Therapeutic Cloning

Green fluorescent mesenchymal stem cells in a primary tumor

Cancer cells enlist adult stem cells to promote metastasis

October 3, 2007

The conscripts secrete a protein that fosters cell movement and invasion.

Scientists identify embryonic stem cells by appearance alone

August 27, 2007

Scientist can now identify pluripotent stem cells based solely on their physical appearance.

Normal cells transformed into cancerous ones

Newly created cancer stem cells could aid breast cancer research

August 13, 2007

After being injected with just 100 cells, mice develop tumors that metastasize.

Whitehead postdoctoral researchers Stuart Levine and Matthew Guenther

Cells take risks with their identities

July 12, 2007

Contrary to textbook models, many genes that should be “off” in embryonic stem cells and specialized adult cells remain primed to produce master regulatory proteins, leaving those cells vulnerable to identity changes.

Reprogrammed fibroblasts identical to embryonic stem cells

June 6, 2007

Researchers have manipulated mouse fibroblasts and turned them into cells with such developmental elasticity that they appear identical to embryonic stem cells.

Mapping the foundation of human development

April 20, 2006

Researchers have determined how a key developmental ingredient controls the genome.

Mad-cow culprit maintains stem cells

January 30, 2006

The same protein that causes neurodegenerative conditions such as bovine spongiform encephalopathy (mad cow disease) is also important for helping certain adult stem cells maintain themselves.

Powerful technique for multiplying adult stem cells may aid therapies

January 23, 2006

Researchers have discovered a way to multiply an adult stem cell 30-fold, an expansion that offers tremendous promise for treatments such as bone marrow transplants and perhaps even gene therapy.

Cloned stem cells prove identical to fertilized stem cells

January 17, 2006

Researchers analyzed the complete gene-expression profiles of both cloned and fertilization-derived stem cells in mice and concluded that the two are indistinguishable.

Images of planarians

Flatworms yield insights into the mystery of regeneration

November 24, 2005

Scientists at Whitehead Institute for Biomedical Research and University of Utah School of Medicine have begun to understand the biological processes of how the planarian flatworm achieves complete regeneration of damaged tissue.

The grand challenge

November 9, 2005

What we don't know about human embryonic stem cells could fill labs all around the world.

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