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Posted on 20. May, 2010.
Plants produce poisons as a defence against predators. Many of these substances are biosynthesised from non-protein amino acids by biosynthetic pathways which have been deduced from the results of isotopic tracer analysis. These secondary metabolites have been used by humans over thousands of years, both as drugs and as agents to kill animals and commit homicide.
Posted on 20. May, 2010.
There are over 900 species of sage found in countries as widespread as China, Brazil and Mexico, as well as in many European countries particularly those around the Mediterannean. The common garden sage is used today as a culinary herb. However, it and its relatives have a long history as medicinal plants.
Posted on 18. May, 2010.
With more powerful and selective agents, one of the main problems in organ transplantation is a result of its success, namely a shortage of organ donors.
Posted on 18. May, 2010.
Mesenchymal stem cells have the ability to modulate the immune system opening a wide range of therapeutic applications, mainly for autoimmune diseases and graft-versus-host disease.
Posted on 17. May, 2010.
The idea of repairing damaged neuronal circuitry in the mammalian central nervous system has challenged neuroscientists for centuries. Can developmental signals be used to regenerate projection neuron subtypes?
Posted on 17. May, 2010.
Viral or plasmid vectors can be used to transform therapeutic mesenchymal stem cells for use in different pathologies.
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