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xenotransplantation organ transplant donor shortage organoid stem cell chimera ethics bioethics
Opinion: Develop Organoids, Not Chimeras, for Transplantation
Scientists are devising human-animal hybrids for harvesting human organs, but lab-derived mini-organs are a less ethically fraught solution to meeting the need for transplantation.
Opinion: Develop Organoids, Not Chimeras, for Transplantation
Opinion: Develop Organoids, Not Chimeras, for Transplantation

Scientists are devising human-animal hybrids for harvesting human organs, but lab-derived mini-organs are a less ethically fraught solution to meeting the need for transplantation.

Scientists are devising human-animal hybrids for harvesting human organs, but lab-derived mini-organs are a less ethically fraught solution to meeting the need for transplantation.

transplants

type 1 diabetes
Biotechs Race to Develop Stem Cell Treatments for Diabetes
Eric Bender | Jul 15, 2019 | 8 min read
Insulin-producing cells grown in the lab could offer a functional cure for the disease.
Pig Hearts Provide Long-Term Cardiac Function in Baboons
Ruth Williams | Dec 5, 2018 | 3 min read
Primates receiving heart transplants from genetically engineered pigs have survived more than six months, a new study reveals.
Image of the Day: Retinal Transplant
Kerry Grens | Nov 7, 2018 | 1 min read
Blind rats are made to see after sheets of cells implanted into their eyes make themselves at home.
University of Gothenburg Moves to Fire Professor for Misconduct
Kerry Grens | Jul 3, 2018 | 1 min read
An investigation finds regenerative medicine researcher Suchitra Sumitran-Holgersson manipulated data in seven papers.
In Utero Transplant in First Clinical Trial Successful
Jim Daley | May 30, 2018 | 2 min read
Doctors treated the fetus, who has alpha thalassemia major, with cells from her mother’s bone marrow.
Army Surgeons Grow Ear in Soldier’s Arm
Catherine Offord | May 11, 2018 | 1 min read
The woman’s own cartilage was used to construct the transplant after she lost her left ear in a car crash.
Military Veteran Receives “Most Complex” Penis Transplant Yet
Ashley Yeager | Apr 24, 2018 | 2 min read
After losing his genitals in a roadside bomb explosion, the soldier endured a 14-hour surgery to have a donated penis, scrotum, and partial abdominal wall attached.
Human Brain Organoids Thrive in Mouse Brains
Ashley Yeager | Apr 16, 2018 | 4 min read
After implantation, the tissue developed blood vessels and became integrated into neuronal networks in the animals’ brains.
2017 in Quotes
Catherine Offord | Dec 28, 2017 | 3 min read
Gender discrimination, Brexit, and climate change are among the issues that have received considerable attention from the scientific community this year.
Swedish Ethics Review Board: Macchiarini Is Guilty
Jef Akst | Oct 30, 2017 | 2 min read
The group calls for the retraction of six publications by surgeon Paolo Macchiarini regarding the synthetic trachea transplantations that led to the death of at least three patients. 
Image of the Day: Brand New Bowel
The Scientist Staff and The Scientist Staff | Oct 13, 2017 | 1 min read
Using human stems cells and segments of rat intestines, scientists engineer bowels that are capable of absorbing nutrients.
Artificial Tissues Implanted Without Regulatory Approval, Investigation Reports
Ashley P. Taylor | Oct 3, 2017 | 2 min read
Tissue recipients were treated as “guinea pigs,” says investigation leader.
New FDA Pathway to Accelerate Development of Cell Therapies
Jef Akst | May 22, 2017 | 4 min read
Four products have already qualified for the regenerative medicine advanced therapy (RMAT) designation that provides extra interactions with the agency, and sooner.
Bioengineered ‘Pancreas’ Effective in First Patient
Aggie Mika | May 11, 2017 | 2 min read
The diabetic volunteer continued to produce insulin one year after she received a transplant of abdominal islet cells.
Synthetic Bones: A Better Bone-Marrow Transplant?
Ashley P. Taylor | May 9, 2017 | 2 min read
Artificial bones produce new blood cells in mice, obviating the need for irradiation to kill off resident hematopoietic stem cells in recipients.
Experts Skeptical of Plans for First Human Head Transplant
Aggie Mika | May 1, 2017 | 2 min read
Despite claims of preclinical success by a leading surgeon, doctors, scientists, and medical ethicists say the science is not ready.  
“Father of Organ Transplantation” Dies
Jef Akst | Mar 6, 2017 | 2 min read
Thomas Starzl performed the first successful human liver transplant in 1967 and went on to help develop drugs that improved survival for organ transplant patients.
Behavior Brief
Diana Kwon | Feb 27, 2017 | 4 min read
A round-up of recent discoveries in behavior research
First US Penis Transplant
Tanya Lewis | May 16, 2016 | 2 min read
A man who lost his penis due to cancer has received the organ from a deceased donor.
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