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Scientists Grew Human Brain Tissue Inside Mice. Here's What Happened. : ScienceAlert (opens in a new tab)
Scientists Grew Human Brain Tissue Inside Mice. Here's What Happened. · 2026-09-16
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Scientists Grew Human Brain Tissue Inside Mice. Here's What Happened. : ScienceAlert
Scientists Grew Human Brain Tissue Inside Mice. Here's What Happened. · 2026-09-16
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This story isn't reporting one study.
The article covers a research area rather than reporting a specific new paper, so there is no single study to check it against.
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No single source study.
The article covers a research area rather than reporting a specific new paper, so there is no single study to check it against.
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- Also referencedpresented as the new finding
10.1038/s41586-026-11032-2
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Claim 1 of 6Not checkedStanford neuroscientists grew human cortical tissue inside mice whose own cerebral cortex had largely been genetically depleted early in development.View evidenceHide evidence
As statedmore than 90 percent of the cortical tissue by volume
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NewsLink could not identify one source study, so this claim was not compared against a paper.
Claim 2 of 6Not checkedWithin three months, the human tissue had expanded to make up more than 90 percent of the cortical tissue by volume, contained blood vessels, wired itself into the mouse nervous system, became electrically active, and sent some projections into the spinal cord.View evidenceHide evidence
As statedwithin three months; more than 90 percent
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NewsLink could not identify one source study, so this claim was not compared against a paper.
Claim 3 of 6Not checkedThe resulting tissue was not a mature human cortex, but it remained developmentally immature even after around six months and was roughly comparable to the human cortex around mid-gestation.View evidenceHide evidence
As statedaround six months; roughly comparable to mid-gestation
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Claim 4 of 6Not checkedThe grafts produced cell types the researchers had struggled to generate in other models, including layer 5 extratelencephalic neurons and cells resembling von Economo neurons.View evidenceHide evidence
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Claim 5 of 6Not checkedIn a Y-shaped maze test, xenocortical mice performed above chance, whereas normal control mice also performed better than chance and ungrafted apallial mice did not.View evidenceHide evidence
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Claim 6 of 6Not checkedThe article says the findings could help researchers model disorders such as frontotemporal dementia, epilepsy, autism, and other neurodevelopmental disorders using patient-derived cortical organoids and human-mouse chimeric brain tissue.View evidenceHide evidence
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NewsLink still surfaces nearby research so you can inspect the field instead of a single paper.
Nearby research
No exact source, but these papers are close.
PubMed, Crossref · 15 candidate papers
Elucidating the role of DEAF1 in neurodevelopment and shared molecular pathways in high-risk autism genes using cortical organoids.
Science Advances · 2026 · PubMed
Cortical organoid model of DEPDC5-related focal cortical dysplasia and epilepsy
Crossref
Perfluorooctane sulfonate (PFOS) exposure alters developmental and metabolic gene expression in human hippocampal organoids.
Biochemical and Biophysical Research Communications · 2026 · PubMed
Novel model of cortical–meningeal organoid co-culture system improves human cortical brain organoid cytoarchitecture
Scientific Reports · 2023 · Crossref
Temporal mapping of radiation-induced neural injury and mitigation in human cortical organoids.
Stem Cells Translational Medicine · 2026 · PubMed
And 10 more candidates considered.