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Genetic engineering stories

Sep 16, 2026

Scientists transplant human brain tissue into mice lacking cortex for first time

Stanford researchers genetically engineered mice without cortex or hippocampus and successfully replaced those regions with human brain organoids, creating a new platform for studying neuropsychiatric diseases including frontotemporal dementia and autism.

Sep 16, 2026·6 sources
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Sep 4, 2026

Scientists expand genetic alphabet from 4 to 8 letters in functioning system

UC San Diego researchers demonstrated that a key cellular enzyme can accurately read an eight-letter genetic alphabet, doubling the four DNA letters used by all known life on Earth, with potential applications in synthetic biology and medicine.

Sep 4, 2026·2 sources
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Sep 3, 2026

Pig kidney keeps New Hampshire man alive for record 271 days before human transplant

Tim Andrews, a 66-year-old New Hampshire man with kidney failure, survived a record 271 days with a genetically modified pig kidney before receiving a human donor transplant. The case represents the first reported example of a pig kidney successfully serving as a bridge to human transplantation.

Sep 3, 2026·5 sources
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Aug 12, 2026

Scientists develop genetic tool to make soft tumors vulnerable to CAR-T cell therapy

Researchers at USC have engineered a genetic tool that addresses a major obstacle in cancer immunotherapy by targeting the physical softness of solid tumors, potentially enabling CAR-T cell therapy to work against cancers it previously couldn't treat effectively.

Aug 12, 2026·2 sources
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May 1, 2026

Colossal Biosciences Announces Plan to De-Extinct the Bluebuck Antelope, Gone Since 1800

Texas-based biotech company Colossal Biosciences has announced a de-extinction project to bring back the bluebuck, an African antelope species that went extinct approximately 226 years ago. The company plans to use genetic technology to resurrect the elegant species that was last seen alive around 1800.

May 1, 2026·5 sources
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Top claims

  • ▪The human tissue transplanted into Stanford University's xenocortical mice spontaneously generated specialized cell types, including pyramidal projection neurons and von Economo neurons, which are typically absent in ordinary rodent brains
  • ▪The human cortical cells transplanted into Stanford University's xenocortical mice failed to organize into the beautifully structured, multi-layered physical layout characteristic of a normal human cerebral cortex
  • ▪The bioengineered mice, which Stanford University researchers led by Sergiu Pașca termed "xenocortical" mice, retained a mouse nervous system but contained a large volume of human cortical tissue

Subtopics

Drug Approval and Clinical Trials3Autism1Biomedical research1Cancer immunotherapy1CAR T-cell therapy1Colossal Biosciences1De-extinction1Hippocampus1Mental breakthroughs1Molecular biology1Organ transplantation1Synthetic biology1Texas1Wildlife Conservation1

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