Published in Blood Weekly, November 17th, 2005
According to recent research from Japan, "The changes in Langerhans cells (LCs) from normal human skin peeled with 40 and 60% trichloroacetic acid (TCA) or liquid nitrogen, which is known in cryosurgery as a control, were examined using monoclonal antibodies against the CD1a, HLA-DR, and Lag in order to examine the immune surveillance system."
"In the 40% TCA group, the number of CD1a-positive cells decreased gradually until day 7, whereas both HLA-DR- and Lag-positive cells decreased for 12 hours, increased until day 2 and decreased thereafter.
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