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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
P Selectins are associated with which of the following processes in leukocytes?
assistant
The correct answer is  The initial rolling interactions are mediated by a family of proteins called selectins. There are three types of selectins: one expressed on leukocytes (L-selectin), one on endothelium (E-selectin), and one in platelets and on endothelium (P-selectin). Ref: Robbins, 8th edition, Chapter 2.