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Human kidneys have been partially grown in pigs for the first time

Early kidney structures made of mostly human cells have been grown in pig embryos for up to 28 days as part of efforts to grow human organs in other animals for transplants

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Wiping stem cells 'clean' could make them easier to produce

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Scanning electron micrograph of mesenchymal stem cells, derived from an umbilical cord, grown in a gel culture

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Stem cells from umbilical cord 'goo' delay type 1 diabetes progression

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Many autoantibodies, shown as orange, triple lobed forms, surround and attack a much larger, pale, partially translucent nerve cell in a computer generated illustration

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Blood test can identify MS in some people years before symptoms start

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3D illustration of a human heart

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CRISPR-edited cells could help people survive chronic heart failure

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Nerve cell trauma response. Fluorescent light micrograph of a section through a spinal cord affected by multiple sclerosis (MS). Reactive glial stem cells are producing the protein GFAP (glial fibrillary acidic protein, green) and OLIG2 (oligodendrocyte lineage transcription factor 2, red) in an attempt to repair the damaged nerve cells. Cell nuclei are dyed blue. MS is an autoimmune condition, in which the immune system attacks nerve cells, impairing their ability to relay signals efficiently.

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Stem cell therapy reduces symptoms of progressive MS for some people

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The CD47 molecule, which tells the immune system not to attack

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Stem cells treat diabetes without triggering immune response in mice

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A transmission electron micrograph of HIV virus particles (pink) replicating from the plasma membrane of an infected immune cell

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Umbilical blood stem cell transplant puts woman in HIV remission

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HIV (green) infecting an immune cell

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Third person 'cured' of HIV after receiving stem cell cancer treatment

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Human neural stem cells captured via a fluorescence light micrograph

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Fetal stem cell treatment for multiple sclerosis shows promising signs

People with progressive multiple sclerosis had higher levels of protective molecules in their spinal fluid two years after being injected with stem cells from a fetus. Whether this translates into improved symptoms over time is unclear

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Life

Endangered white rhinos' cells turned into sperm and egg stem cells

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Lab-grown adrenal glands could help treat hormone-related conditions

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Synthetic mouse embryos with rudimentary brain grown in the lab

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Experimental umbilical cord stem cell therapy treats rare disease

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