Stanford researchers grow human brain tissue in genetically modified mice
Science & ClimateWell-covered
|
The Facts
- Stanford-led researchers transplanted lab-grown human cortical organoids into genetically modified mice.
- The mice were engineered to lack most of their cerebral cortex.
- The transplanted human tissue survived, grew and matured in the mice.
- The transplanted tissue formed functional neural networks connected to the mice’s nervous systems.
- The study was published in the journal Nature.
- Researchers aim to use the model to study human brain development and neurological disorders.
- Researchers said the mice have so far behaved mostly like ordinary mice.
- The work has prompted ethical questions about the effects of human brain tissue in animals.
Context
What was implanted into the mice?
Researchers implanted cortical organoids: three-dimensional pieces of human brain tissue grown in the laboratory from human cells. News18 Libertad Digital
Where Left and Right agree
Left and right largely agree on this one.
- What both sides accept
- Neither framing accepts the mice's outwardly normal behavior as evidence that transplanting matured, wired-in human cortical tissue is ethically settled, and both insist on limits before the work proceeds further.
- Where Left and Right differ in emphasis
- Whether the deeper worry is that the mice's inner experience can't be reported or assessed, or that a mouse whose cortex only functions because of human tissue no longer counts as an ordinary animal.
How left and right read it
Left says
Calling this a startling advance doesn't answer what happens inside an animal that cannot report a change. The transplanted tissue survived, matured, and wired into the mice's nervous systems, so the claim that they still act "mostly like ordinary mice" doesn't settle much when the work has raised ethical questions about human tissue in animal brains. That is why independent scrutiny and firm limits are owed before this goes further.
“The work marks a startling advance in replicating the complexities of the human brain outside the body.” — The New York Times
Is this how the left would actually put it?
Right says
Whether creatures carrying functioning human brain tissue wired into their own nervous systems still count as ordinary animals cannot be settled by noting they behave normally so far. That tissue only matured because mice were engineered to lack most of their own cortex, a dependency more telling than surface behavior. The ethical questions already raised call for firm limits before such blending goes further, not reassurance after the fact.
Is this how the right would actually put it?
The receipts — 76 sources
Wire services (1)
Independent coverage (75)
News18Researchers transplant lab-grown human brain tissue into mou...
Rediff.com India Ltd.Human Brain Organoids Successfully Integrated Into Mouse Bra...
Anadolu AjansıResearchers breed mice with half-human brains to understand ...
Mail OnlineRise of the Frankenmice! Scientists create mice with half-hu...
Anadolu AjansıBilim insanları, beyninin yaklaşık yarısı insan dokusundan o...
Tech ExploristScientists grow human brain tissue inside mice
CumhuriyetFare beyninde işlevsel insan hücreleri geliştirildi
Star.com.trBilim dünyasından şaşırtan olay! Farenin beyninin yarısı ins...
HaberlerBilim insanları, beyninin yaklaşık yarısı insan dokusundan o...
News9liveMice with human brain tissue? Stanford's unusual Xenocortica...
New AtlasHybrid human-mouse brain created in landmark lab experiment
The Business StandardWhat happens when human brain cells grow inside a mouse?
Digital News ReportScientists Grow Human Brain Tissue in Mice Missing Much of T...
unb.com.bdScientists develop mice with partly human brains in research...
Correio BraziliensePesquisadores criam rato com metade do cérebro de origem hum...
R7 NotíciasCientistas desenvolvem ratos com cérebro 'meio humano' para ...
Irish IndependentScientists create 'human-mouse hybrid' to help in study of n...
TRT haberBilimsel bir atılımla yarı insan yarı fare beyin geliştirild...
natureasia.comNeuroscience: Human brain organoids form neural networks in ...
ZME ScienceScientists Grew Human Brain Tissue Inside Mice and It Actual...
COLOSALLogran injertar tejido humano en ratones sin corteza cerebra...
BH 24 HorasPesquisadores transplantam células humanas no cérebro de cam...
CNN BrasilCamundongos com cérebros humanos? Cientistas transplantaram ...
Latin Opinion BaltimoreCultivan tejido cerebral humano en ratones para estudiar enf...
GalileuCientistas fazem neurônios humanos funcionar em cérebro de c...
Yeni Akit GazetesiFare beyninde insan dokusu büyüttüler! 3 ay sonra ortaya çık...
RT en EspañolImplantan tejido humano en ratones sin corteza cerebral: ¿co...
Ars TechnicaResearchers swap in human brain cells for a mouse's cortex
The EconomistResearchers have created a mouse with a partly human brain
Olhar Digital - O futuro passa primeiro aquiCientistas cultivam tecido cerebral humano em camundongos pa...
TerraCientistas transplantam tecido cerebral humano cultivado em ...
UOL notíciasCientistas transplantam tecido cerebral humano cultivado em ...
Times LIVEScientists transplant lab-grown human brain tissue into mice
NourishHuman brain organoids in mice transform study landscape
The News InternationalScientists transplant lab-grown human brain tissue into mice...
ElNacional.catRatones con millones de neuronas humanas abren una nueva vía...
20 minutosCientíficos logran injertar tejido humano en ratones sin cor...
YahooScientists create human-mouse hybrid
The TelegraphScientists create human-mouse hybrid
EL PAÍSMice with millions of human neurons in their brains bring sc...
EL MUNDOUn nuevo modelo de ratón facilita la integración de minicere...
BBCPart-human part-mouse brain developed in science breakthroug...
BBCPart-human part-mouse brain developed in science breakthroug...
ijr.comHuman Brain Organoids Build Circuits in Cortex-Less Mice
La Voz de GaliciaCrean un cerebro híbrido de humano y ratón para estudiar las...
GizmodoScientists Grew More Human Brain Tissue in a Mouse Than Ever...
The GuardianScientists create mice with part-human brains
Science Media Centreexpert reaction to study on human derived brain organoids in...
EL PAÍSRatones con millones de neuronas humanas en su cerebro acerc...
archive.isScientists Fuse Human Neurons Into the Brains of Mice - The ...
Libertad DigitalCultivan tejido cerebral humano en modelos de ratón para el ...
ABC DigitalCultivan tejido cerebral humano en modelos de ratón para el ...
YahooScientists transplant lab-grown human brain tissue into mice
New ScientistHuman organoids restore cognition in mice with half a brain ...
EurekAlert!Stanford Medicine team creates advanced model for studying b...
NPRMice with human brain cells offer a tool to study disease. E...
IFLScienceHuman Mini-Brains Have Been Transplanted Into The Heads Of M...
The New York TimesScientists Fuse Human Neurons Into the Brains of Mice
Inside Precision MedicineHuman Cortical Organoids Expand Across a Cortex-Depleted Mou...
eldiario.esEl primer ratón con una corteza cerebral 'humana' permitirá ...
LaVanguardiaOrganoides de cerebros humanos crecen en ratones para estudi...
ScienceAlertScientists Grew Human Brain Tissue Inside Mice. Here's What ...
livescience.comScientists shrank mice's brains and replaced the missing tis...
STATScientists made mice with half a brain. Then they filled the...
MIT Technology ReviewMeet a mouse whose brain cortex is made up of human cells
Science NewsThese mice have human (nerve cells) on the brain
science.orgHuman neurons flourish in mouse brains, offering a new view ...
Amazings® / NCYT®Descubren en la corteza cerebral neuronas que inducen a dorm...
Knowridge Science ReportStanford Study Discovers a Seafood That Can Reverse Aging
Houston Public MediaMice with human brain cells offer a tool to study disease. E...
NatureHuman brain cells transplanted into mice in 'most extensive'...
www.elcolombiano.com¿Por qué científicos crearon ratones con neuronas humanas pa...
Knowridge Science ReportReducing This Nutrient in Diet May Help You Live Longer
VanitatisNazareth Castellanos, neurocientífica: "Las neuronas que se ...
guerrillero.cu86 mil millones de razones para asombrarse - Periódico Guerr...
The news, read by both sides.
The day’s biggest stories in one short brief, built to show both sides and the competing values behind the headlines. Free in your inbox.