There is continual turnover of macromolecules as part of maintenance. This allows removal of damaged macromolecules and their replacement. A prime example is the turnover of the rod photoreceptor ...
Targeting macrophage inhibitory receptors like signal regulatory protein α (SIRPα) is a promising avenue in cancer treatment. Whereas the ligand of SIRPα, CD47, is widely expressed on tumor cells, its ...