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.
a The existence of T cells expressing PD-1 around a bulb, and the bulb cells expressing PD-L1, as illustrated in the manuscript. b The HMB45 (gp100) stain shows no positivity in follicular cells, with internal positive control in the epidermis. This absence of melanocytes in bulbs must be researched.
