Genome-Edited Hornless Cows’ Offspring Are Healthy: Study
Genome-Edited Hornless Cows’ Offspring Are Healthy: Study
All six calves inherited the gene for preventing horn growth, but four also got a piece of the plasmid used to introduce the sequence to their dad—complicating regulatory approval.
Genome-Edited Hornless Cows’ Offspring Are Healthy: Study
Genome-Edited Hornless Cows’ Offspring Are Healthy: Study

All six calves inherited the gene for preventing horn growth, but four also got a piece of the plasmid used to introduce the sequence to their dad—complicating regulatory approval.

All six calves inherited the gene for preventing horn growth, but four also got a piece of the plasmid used to introduce the sequence to their dad—complicating regulatory approval.

genome editing
Fertility Clinics Sought Advice from Scientist Who CRISPRed Babies
Fertility Clinics Sought Advice from Scientist Who CRISPRed Babies
Chia-Yi Hou | May 29, 2019
Emails reveal that a facility in Dubai and others have asked geneticist He Jiankui for help in gene-editing embryos.
Scientist Forged Ethical Reviews for CRISPRed Babies
Scientist Forged Ethical Reviews for CRISPRed Babies
Kerry Grens | Jan 21, 2019
He Jiankui could face charges after an investigation finds he used techniques prohibited in China to edit the genes of twin girls.
The Biggest Science News of 2018
The Biggest Science News of 2018
Kerry Grens | Dec 27, 2018
From disastrous scientific setbacks to the upending of scientific dogma and the end of a 40-year search for a protein
CRISPR Scientists Slam Methods Used on Gene-Edited Babies
CRISPR Scientists Slam Methods Used on Gene-Edited Babies
Katarina Zimmer | Dec 4, 2018
Since He Jiankui presented his results at last week’s gene editing summit, researchers have raised concerns about his protocol, calling the procedure “amateurish” and “unconscionable.”
Opinion: Don’t Ban the Use of CRISPR in Embryos
Opinion: Don’t Ban the Use of CRISPR in Embryos
John D. Loike | Nov 29, 2018
Despite a premature and ethically sketchy claim of genome editing in twin girls, an outright prohibition could blunt promising, responsible progress.
Second CRISPR-Modified Pregnancy May Be Underway
Second CRISPR-Modified Pregnancy May Be Underway
Ashley P. Taylor | Nov 28, 2018
He Jiankui, who reportedly edited the genomes of two babies already, broke the news at a conference in Hong Kong.
Claim of First Gene-Edited Babies Triggers Investigation
Claim of First Gene-Edited Babies Triggers Investigation
Catherine Offord | Nov 26, 2018
He Jiankui says he has successfully used CRISPR-Cas9 to tweak the genes of twins born earlier this month. Some independent experts are dubious.
New Technique Limits CRISPR-Cas9 Off-Target Mutations
New Technique Limits CRISPR-Cas9 Off-Target Mutations
Abby Olena | Sep 12, 2018
A mouse study details a method called VIVO that predicts the accuracy of any guide RNA.
Anti-CRISPR Proteins Found that Block Cas12a Nuclease
Anti-CRISPR Proteins Found that Block Cas12a Nuclease
Ashley Yeager | Sep 6, 2018
Using bioinformatics, two teams of scientists identified inhibitory proteins for Cas9’s relative.