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tag physiology or medicine microbiology evolution immunology

T regulatory cell in red sandwiching an antigen presenting cell in blue
Gut Bacteria Help T Cells Heal Muscle: Study
Natalia Mesa, PhD | Mar 14, 2023 | 4 min read
Regulatory T cells in the colon travel to muscles to promote wound healing in mice, raising questions about how antibiotics may impact injury recovery.
An artist’s rendering of a DNA-based virus trap, represented as gray rods in a short cone-shaped arrangement. One is coated with blue molecules, likely antibodies, that adhere to a virus target. Another image shows to traps coming together to capture a red coronavirus.
“Origami” DNA Traps Could Keep Large Viruses From Infecting Cells
Natalia Mesa, PhD | Jan 18, 2023 | 4 min read
By engineering structures out of DNA, scientists could potentially prevent larger viruses, like coronaviruses and influenza viruses, from interacting with cells.
A white coat-wearing doctor holds the results of an EKG test in one hand and traces over them with a pen in the other hand
Doctors and Researchers Probe How COVID-19 Attacks the Heart
Dan Robitzski | Jan 12, 2022 | 8 min read
Experts have a decent grasp on how COVID-19 impacts cardiovascular health in the near term. The implications of long COVID, however, remain mysterious.
Three Share 2011 Medicine Nobel
Rachel Nuwer | Oct 3, 2011 | 1 min read
The Nobel Assembly reveals three winners of this year's prize in Physiology of Medicine.
A bat flying in a dark cave
Turning on the Bat Signal
Hannah Thomasy, PhD | Mar 15, 2024 | 10+ min read
Scientists around the world investigate how bat immune systems cope with viral attacks and how this information could be used to keep humans safe.
Image of someone scratching their skin.
A Chronic Itch: Burrowing Beneath the Skin
Brian S. Kim, MD | Sep 8, 2023 | 9 min read
We have barely scratched the surface of itch science and what it indicates about our health.
Immunologists Take Home Nobel
Rachel Nuwer | Oct 3, 2011 | 4 min read
The Nobel Assembly announced today that three researchers in the field of immunology will share the 2011 Prize in Physiology or Medicine.
A person lying on a bed checks the reading on a digital thermometer. A table with a bowl of oranges and various medications is in the background.
How Mild Is Omicron Really?
Dan Robitzski | Jan 14, 2022 | 9 min read
Early reports that Omicron causes less-severe disease than Delta seem to be borne out, but it’s not yet clear to what extent that’s due to the variant itself versus the populations it’s infecting.
3d rendered medically accurate illustration of a human embryo anatomy
The Ephemeral Life of the Placenta
Danielle Gerhard, PhD | Dec 4, 2023 | 10+ min read
Recent advances in modeling the human placenta, the least understood organ, may inform placental disorders like preeclampsia.
elongated blue bacterial cells on a reddish-brown background
Gut Microbiome May Help or Hinder Defenses Against SARS-CoV-2
Bianca Nogrady | Aug 31, 2021 | 7 min read
The health of the microbial community is associated with COVID-19 severity, but it’s not yet clear if the relationship is causal.

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