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Stem Cells

15 GoKawiil briefs on this topic

Study finds two distinct progenitor cells build the brain, not one

Researchers at Stanford, led by Kyle Loh, report evidence that the brain develops from two separate populations of precursor cells rather than a single universal one. One lineage forms the hindbrain, which governs vital functions like heartbeat and breathing, while a second gives rise to both the forebrain and midbrain. The findings, published in Nature Neuroscience, also describe a method for converting stem cells efficiently into hindbrain motor neurons.

Stanford scientists graft human brain organoids into mouse cortex

A Stanford research team removed a large section of a mouse's brain and replaced it with tissue grown from human stem cells known as brain organoids. The goal was to give these lab-grown clusters of neurons a living, connected environment closer to an actual brain than a petri dish can offer.

Lab-grown contracting muscle implants replicate exercise effects in mice

Scientists at the Institute for Stem Cells and Regenerative Medicine in Beijing grew muscle stem cells from mouse quadriceps into small tissue grafts, called myografts, and implanted them under the skin of the animals' backs. The grafts formed organized, blood-vessel-fed muscle tissue that contracted continuously for months, producing gains in muscle mass, strength and bone density and slowing age-related muscle decline, according to a study published in Nature Aging.