This important study examines the role of pericytes in patterning the zebrafish blood-brain barrier (BBB) and controlling its permeability. Using pdgfrb mutant zebrafish models lacking brain pericytes ...

3 We will not review the effects of inflammatory mediators on parenchymal cells that participate in tissue regeneration—for example, skeletal muscle satellite cells, pluripotent periosteal cells.

Moreover, the cells and soluble factors participating in this response in liver are also similar to those in parenchymal injury to kidney, lung, or skin. Fibrosis occurs earliest in regions where ...

A combination of mRNA and a new lipid nanoparticle could help heal damaged lungs, according to new research from the Perelman School of Medicine at the University of Pennsylvania. Viruses, physical ...

Just because an udder is not lactating doesn’t mean it’s not doing anything,” said Ben Enger during the National Mastitis ...

Cell biology is the discipline of biological sciences that studies the structure, physiology, growth, reproduction and death of cells. Research in cell biology uses microscopic and molecular tools ...

KEY POINTS A 77-year-old man presented to the emergency department with a 4-day history of progressive weakness resulting in recurrent sudden falls at home. He also described fever and cough, ...

Learn about Pseudoangiomatous Stromal Hyperplasia (PASH) of the breast, its diagnosis, hormonal influences, and holistic ...

Feb. 18, 2025 — Viruses, like those that cause COVID-19 or HIV, are formidable opponents once they invade our bodies. Antiviral treatments strive to block a virus or halt its replication ...