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.
A1-A5) Immunofluorescence of fibroblasts obtained from oral biopsy of periodontal gingival tissue in DS subject, Humanin protein green fluorescence, nuclei were counter-stained in blue with 100 ng/mL 4,6-diamidino-2-phenylindole (DAPI); B1-B5) Immunofluorescence of fibroblasts obtained from oral biopsy of periodontal gingival tissue in normal subject, Humanin protein green fluorescence, nuclei were counter-stained in blue with 100 ng/mL 4,6-diamidino-2-phenylindole (DAPI).
