mutations, immunology
The Ever-Expanding T-Cell World: A Primer
The Ever-Expanding T-Cell World: A Primer
Ashley P. Taylor | Aug 7, 2017
Researchers continue to identify new T-cell subtypes—and devise ways to use them to fight cancer. The Scientist attempts to catalog them all.
Scientists Edit Viable Human Embryos in U.S.
Scientists Edit Viable Human Embryos in U.S.
Kerry Grens | Jul 27, 2017
The embryos, whose genes were altered by CRISPR, were not intended for implantation. 
Massive RNAi Screens Probe for Genes Important to Cancer
Massive RNAi Screens Probe for Genes Important to Cancer
Kerry Grens | Jul 27, 2017
Two freely available databases include data on hundreds of human cancer cell lines. 
Child Lives with HIV for Years Without Treatments
Child Lives with HIV for Years Without Treatments
Bob Grant | Jul 24, 2017
Another case of HIV remission emerges, this time in a South African girl diagnosed as an infant and disease-free for more than eight years.
Mammalian Immunity: What’s RNAi Got to Do with It?
Mammalian Immunity: What’s RNAi Got to Do with It?
Shawna Williams | Jul 21, 2017
A new study adds to the evidence that mammalian cells can use small interfering RNAs to defend against viruses, but questions remain about physiological importance.
Most of Human Genome Nonfunctional: Study
Most of Human Genome Nonfunctional: Study
Kerry Grens | Jul 17, 2017
An estimate derived from fertility rates concludes that at least 75 percent of our DNA has no critical utility.
Researchers Uncover Previously Unknown Immune Cell Subtypes
Researchers Uncover Previously Unknown Immune Cell Subtypes
Aggie Mika | Jul 17, 2017
Using single-cell RNA sequencing, scientists characterize new populations of dendritic cells and monocytes.
First Genetic Screen of Pigs Using ENU
First Genetic Screen of Pigs Using ENU
Ashley Yeager | Jul 14, 2017
Using the mutagenic chemical N-ethyl-N-nitrosourea, researchers confirm the role of a gene in a piglet deformity and identify potential models for human diseases. 
T Cells That Drive Toxic Shock in Mice Identified
T Cells That Drive Toxic Shock in Mice Identified
Ashley Yeager | Jun 20, 2017
Overzealous activity by mucosa-associated invariant T (MAIT) cells in response to bacterial toxins can lead to illness instead of stopping it.
234-Year-Old Tree Has Impressively Stable Genome
234-Year-Old Tree Has Impressively Stable Genome
Jef Akst | Jun 20, 2017
Genomic analysis of an oak tree that lived during Napoleon’s time supports the idea that plants somehow avoid the accumulation of mutations in their stem cells.