gut bacteria, immunology
Amyloid Thwarts Microbial Invaders
Amyloid Thwarts Microbial Invaders
Anna Azvolinsky | May 25, 2016
Alzheimer’s disease–associated amyloid-β peptides trap microbes in the brains of mice and in the guts of nematodes, a study shows. 
FDA Approves Bladder Cancer Immunotherapy
FDA Approves Bladder Cancer Immunotherapy
Jef Akst | May 23, 2016
The US Food and Drug Administration greenlights Roche’s Tecentriq, which blocks a protein that obstructs the immune system’s ability to fight cancer.
Broad-Spectrum Antibiotics Can Increase GVHD Severity in Stem Cell Recipients
Broad-Spectrum Antibiotics Can Increase GVHD Severity in Stem Cell Recipients
Ruth Williams | May 18, 2016
Certain drugs could worsen graft-versus-host disease in stem cell transplant patients, scientists show.
Tasmanian Devil Antibodies Fight Cancer
Tasmanian Devil Antibodies Fight Cancer
Jef Akst | May 9, 2016
The proteins could be the key to stopping the transmissible facial tumor disease that is threatening the species.
Breast Milk Primes Gut for Microbes
Breast Milk Primes Gut for Microbes
Ruth Williams | May 5, 2016
Maternal antibodies engender a receptive gut environment for beneficial bacteria in newborn mice.
Transplanted Fecal Microbes Stick Around
Transplanted Fecal Microbes Stick Around
Tanya Lewis | Apr 28, 2016
Donor bacteria coexist with a recipient’s own for three months after a fecal transplant.
Study: “Dirty” Mice More Humanlike
Study: “Dirty” Mice More Humanlike
Tanya Lewis | Apr 21, 2016
Housing laboratory mice with those reared in a pet store makes the lab rodents’ immune systems more similar to those of people.
AACR Q&A: Elaine Mardis
AACR Q&A: Elaine Mardis
The Scientist Staff | Apr 18, 2016
The genomics pioneer shares the sessions she most looks forward to at this year’s American Association for Cancer Research annual meeting.
Microglia Tamp Down Neurogenesis
Microglia Tamp Down Neurogenesis
Kerry Grens | Apr 7, 2016
The immune cells—known for clearing dead cells—also chew up live progenitors in neurogenic regions of mouse brains. 
One Way Placenta Deflects Zika Infection
One Way Placenta Deflects Zika Infection
Kerry Grens | Apr 5, 2016
Certain immune cells surrounding the organ appear to block viral entry.