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Paolo Macchiarini stands at a podium with a microphone
Paolo Macchiarini Found Guilty for Botched Surgery
The former thoracic surgeon was acquitted on two counts of intentional assault but convicted on a single count of felony bodily injury for a series of fatal procedures in the early 2010s.
Paolo Macchiarini Found Guilty for Botched Surgery
Paolo Macchiarini Found Guilty for Botched Surgery

The former thoracic surgeon was acquitted on two counts of intentional assault but convicted on a single count of felony bodily injury for a series of fatal procedures in the early 2010s.

The former thoracic surgeon was acquitted on two counts of intentional assault but convicted on a single count of felony bodily injury for a series of fatal procedures in the early 2010s.

artificial organs
xenotransplantation organ transplant donor shortage organoid stem cell chimera ethics bioethics
Opinion: Develop Organoids, Not Chimeras, for Transplantation
John D. Loike and Robert Pollack | Aug 23, 2019 | 4 min read
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.
3d printed organ artificial liver lobe surgery
How 3-D Printing Could Help Shape Surgery
Sarah Webb, Knowable Magazine | Jul 2, 2019 | 6 min read
Technology is enabling increasingly lifelike models of organs to help doctors practice operations.
To Give Cancer Survivors a Chance to Conceive, Scientists are Designing Artificial Ovaries
Ashley Yeager | Dec 31, 2017 | 4 min read
The goal is to house patients’ follicles in a specially designed tissue matrix and reinsert them after treatment.
Image of the Day: Goo for Growing Organoids
The Scientist Staff and The Scientist Staff | Oct 24, 2017 | 1 min read
Scientists engineered a synthetic, nutrient-rich gel that feeds growing organoids as they mature from human pluripotent stem cells into 3-D bowels.
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.
Mice Successfully Reproduce with 3-D Printed Ovaries
Bob Grant | May 16, 2017 | 2 min read
Researchers have constructed prosthetic female reproductive organs and implanted them in mice, some of which conceived and gave birth to live young.
Macchiarini Retracts Another Paper
Bob Grant | Mar 22, 2017 | 2 min read
The embattled thoracic surgeon blames his former employer, the Karolinska Institute, for losing data related to the retracted research.
Top 10 Innovations 2016
The Scientist Staff | Dec 1, 2016 | 10+ min read
This year’s list of winners celebrates both large leaps and small (but important) steps in life science technology.
Artificial Ion Pump Mimics Neuronal Speed, Precision
Ben Andrew Henry | Nov 2, 2016 | 1 min read
Researchers create an artificial nerve that could be the forerunner of neural prosthetics.
Swedish Research Council: Macchiarini, Karolinska Skipped Ethical Review
Bob Grant | May 2, 2016 | 1 min read
The federal agency publishes a brief note alleging another ethical breach by former Karolinska Institute researcher Paolo Macchiarini.
Three More Coauthors Removed from Macchiarini Paper
Kerry Grens | Apr 1, 2016 | 1 min read
Colleagues of the surgeon under investigation distance themselves from a 2011 The Lancet study.
Karolinska Lets Macchiarini Go
Bob Grant | Mar 24, 2016 | 1 min read
The embattled artificial organ researcher has been dismissed over the fallout from several misconduct allegations leveled against him.
Macchiarini Coauthor Removed From Paper
Kerry Grens | Mar 7, 2016 | 1 min read
A whistleblower asked to have his named pulled from a study led by the embattled surgeon.
Karolinska Institute Head Steps Down
Tracy Vence | Feb 16, 2016 | 1 min read
Vice-Chancellor Anders Hamsten is resigning from his post amidst another investigation into the work of surgeon Paolo Macchiarini.
Organ Engineer Reinvestigated
Bob Grant | Feb 5, 2016 | 1 min read
Paolo Macchiarini will again be investigated by the Karolinska Institute, which is not extending the researcher’s employment contract.
If It Ain't Broke . . .
Kerry Grens | Jan 1, 2016 | 4 min read
Is there room to improve upon the tried-and-true, decades-old technology of artificial hearts?
Hearts in Hand
The Scientist Staff | Dec 31, 2015 | 1 min read
Texas Heart Institute heart surgeon Bud Frazier is a pioneer of heart transplant technologies.
Artificial Skin Communicates with Neurons
Jef Akst | Oct 19, 2015 | 2 min read
A new flexible sensor can detect touch and generate electrical pulses that signal intensity of pressure to mouse neurons in vitro.
Organ Engineer Cleared of Misconduct
Bob Grant | Aug 31, 2015 | 2 min read
The Karolinska Institute has rejected the conclusions of an earlier, independent investigation, finding regenerative medicine researcher Paolo Macchiarini not guilty of scientific misconduct.
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