Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Analysis of chemotaxis. (A) Expression of CXCR4 in isotype control(a) and mES cells (b) were determined by flow cytometry. (B) Secretion of CXCL12 in MFC cells was measured by enzyme-linked immunosorbent assay. (C) Cell and chemoattractant dose-response curves.
