Russian forces conducted the largest combined drone and missile strike of the war so far on the night of July 8 to 9 with 741 total drones and missiles — an about 34 percent increase from the previous record high of 550 Russian drones and…
T cell receptor (TCR) signaling plays a key role in T cell fate determination. Precursor cells expressing TCRs within a certain low affinity range for self peptide-MHC complexes undergo positive selection and differentiate into naïve T…