Stem cells

'I call my stem cell donor my sister'

Transplant joy for baby with rare cancer

Rise in umbilical cord blood banking

Blood cancer sufferer in 'lifesaving op'

Girl, 12, in bone marrow donor search

Students campaign to 'save a life'

Mum of boy with cancer hails 'generosity'

Thousands join bid to help boy beat cancer

UK man 'free' of HIV with new stem cells

Hundreds help boy with blood cancer

'I might have had her for a bit longer'

World search for girl's stem cell donor

School to hold stem cell tests for pupil

Boy, 5, in need of stem cell donor. Video, 00:00:45Boy, 5, in need of stem cell donor

Why your new heart could be made in space one day

Hunt for stem cell donor to save baby

How I became a blood stem cell donor. Video, 00:01:23How I became a blood stem cell donor

How Fran became a blood stem cell donor. Video, 00:01:23How Fran became a blood stem cell donor

Walking again after ten years. Video, 00:02:55Walking again after ten years

'A new bladder made from my cells gave me my life back'

Stem cell match brother gets visa for op

Stem cell match brother denied visa

Scientists build 'synthetic embryos'