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Scientists made mice with half a brain. Then they filled them with human organoids
Scientists have made mice with half a brain, then filled them with human organoids — possibly opening new avenues for research but also raising ethical issues.
These mice have human (nerve cells) on the brain
Scientists have grown human brain tissue to fill most of a mouse’s cortex, creating a new model for studying brain disease and neural circuits.
Scientists shrank mice's brains and replaced the missing tissue with human 'organoids'
Scientists have devised a new way to incorporate human brain tissue into living mice, opening the door to new research.
Scientists reveal the hidden instructions that build the human brain
UCLA researchers have discovered two powerful influences that help guide how the human brain forms before birth. Radial glia, stem cells responsible for producing much of the cerebral cortex, change their behavior depending on how they process glucose and on physical contact with signals arriving from the thalamus. Those signals can alter which types of neurons are produced, including upper-layer neurons that are especially prominent in humans.
‘A mouse can’t tell us what works’: UK scientists to grow miniature human organs for drug testing
Organoids and tissues grown from human cells promise more accurate results, with £20m Cambridge project to create standardised models
Cold Spring Harbor Laboratory and Northwell Health lead international cohort of researchers to develop more than 150 next-generation cancer treatment models
Human Cancer Model Initiative releases compendium results of decade-long project to create cancer organoids Ten years and thousands of patient samples later, the National Cancer Institute (NCI) has just published its results from the Human Cancer Model Initiative (HCMI) on the development of 665 organoid models of 25 types of cancer that are now available...
Lab-grown mini brains may predict which Alzheimer’s treatments will work
Miniature brain models grown from patients’ cells revealed striking differences in how Alzheimer’s-related tissue responds to an antidepressant. The organoids and the particles they release could eventually guide more personalized treatments and provide new clues for diagnosing the disease.
Stem cell scientists engineer 'synthetic organizer' cells to improve kidney organoids
In a study published in Science, USC researchers paired a biological discovery with an engineering feat to create more faithful, reproducible lab-grown kidney structures from stem cells, known as organoids.
Science Can Fully Explain Consciousness? By 326 Theories…
It’s supposed to be a given that machines or brain organoids might be conscious despite not knowing what that is or how it works — but preborn children can’t be…
Scientists Used ’Dancing Molecules‘ to Heal Lab-Grown Mini-Spines. One Day, They Could Cure Paralysis.
By fine tuning the motion of molecules, scientists created an injectable therapy that encouraged the growth of neurites and neurons in damaged spinal organoids.
Making science move: Organoids project re-imagines adrenal glands through models and motion
[vc_row][vc_column][vc_column_text css=””] In 2024, University of Georgia Associate Professor Nadja Zeltner received a grant to advance research in human cell generation, including adrenal gland organoids used to study disease. Adrenal gland organoids are tiny, lab-grown versions of your body’s stress response control center—adrenal glands release hormones in response to stress or excitement, regulate energy and … Continue reading “Making science move: Organoids project re-imagines adrenal glands through models and motion”
“Existential risk” – Why scientists are racing to define consciousness
Scientists warn that rapid advances in AI and neurotechnology are outpacing our understanding of consciousness, creating serious ethical risks. New research argues that developing scientific tests for awareness could transform medicine, animal welfare, law, and AI development. But identifying consciousness in machines, brain organoids, or patients could also force society to rethink responsibility, rights, and moral boundaries. The question of what it means to be conscious has never been more urgent—or more unsettling.
Lab-grown organoids reveal how glioblastoma outsmarts treatment
Tumor organoid models offer new insight into how the brain and immune system shape cancer behavior.
Brain organoids are helping researchers, but their use also creates unease
Pea-size clusters of human cells called brain organoids inspire both hope and fear. Experts are debating how scientists can responsibly use these bits of gray matter.
Experts met to discuss the ethics of using organoids in research
Organoids are bits of neural tissue that model human brain development. Their use in science makes some uneasy, in part because the brain is so closely tied to our sense of self.
Mini brains, big questions: science is racing ahead of ethics
Brain organoids are revolutionising research, but their growing complexity raises unsettling ethical questions.