blood supply

(Karolinska Institutet) The time span in which treatment should be given for acute ischaemic stroke -- i.e. stroke caused by a clot or other obstruction to the blood supply -- can be lengthened.

This according to a study from the Swedish medical university Karolinska Institutet, the results of which can bring about more effective and safer treatments for stroke sufferers.

New findings could lead to future treatments to prevent lower limb amputations in diabetes. Diabetes can have serious complications like gangrene and skin ulcers due to a restriction of blood supply to and healing capacity of the affected areas and this causes the dysfunction of cells lining the blood vessels.

Solving a long-standing biological mystery, stem cell researchers have discovered that blood stem cells, the cells that later differentiate into all the cells in the blood supply, originate and are nurtured in the placenta.