FcεRI is a multimeric immune Fc receptor that binds IgE with high affinity. It has a tetrameric structure on the surface of mast cells and basophils, consisting of one IgE-binding α-chain, one β-chain ...

Coffee contains caffeine and other bioactive compounds, including antioxidants like chlorogenic acids plus cafestol, kahweol, and trigonelline, though amounts vary per cup. Caffeine blocks adenosine, ...

A study links graying hair to stem cells getting stuck, unable to color new hair growth. Stem cells travel back and forth within compartments, but when they get stuck in one compartment, they cannot ...

AI-driven digital freight matching platforms are transforming the brokerage landscape, helping shippers and carriers automate workflows, boost utilization, and navigate the lingering freight recession ...