C-X-C chemokine receptor type 4 also known as fusin or CD184 is a protein that in humans is encoded by the CXCR4 gene. The protein is a CXC chemokine receptor. From Wikipedia
The work flags a CXCL12–CXCR4 trafficking signal as a potential gut–brain route in Alzheimer’s that appears diet-sensitive yet unvalidated in humans.