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Cancer drug resistance

By | June 26, 2001

Leukemia patients who become resistant to anti-cancer drugs acquire mutations or amplifications of the initiating oncogene.

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Royal Society calls for moratorium on human reproductive cloning

By | June 26, 2001

has called for an international moratorium on human reproductive cloning.

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New hope for stroke therapy

By | June 25, 2001

Blocking two key cell receptors that normally trigger cell death in the brain dramatically improves survival and reduces disability in mice after stroke.

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Profiling and policing

By | June 25, 2001

Simple DNA profiling techniques can authenticate laboratory cell lines and eliminate scientific misrepresentation.

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Argument over bacterial gene transfer to humans resolved

By | June 22, 2001

An alternative analysis of the human genome sequence information refutes the assertion that genes have been transferred directly from bacteria to man.

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Regeneration of cardiac muscle by adult stem cells

By | June 22, 2001

Highly enriched donor haematopoietic stem cells are capable of migrating to ischaemic cardiac muscle and blood vessels to form cardiomyocytes and endothelial cells.

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Stress alarm

By | June 22, 2001

Phosphorylation of the human checkpoint protein hRad17 signals DNA damage.

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the cause of fever after platelet transfusion?

By | June 22, 2001

The level of CD40 ligand in stored platelet concentrates is similar to human blood levels during inflammation and may explain febrile responses to transfusions.

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New class of rhizobia-forming bacteria identified

By | June 21, 2001

A second class of the Proteobacteria can form rhizobia, suggesting this ability is more widespread than previously thought.

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No horizontal transfer

By | June 21, 2001

Phylogenetic analysis refutes previous suggestions that there was extensive horizontal gene transfer from bacteria to vertebrates.

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