Objective: To investigate the expression of bullous pemphigoid antigen 2 (BPAG2) in different growth stages of hair follicles, and to determine the effects of BPAG2 on hair growth and hair cycles.

• 目的:研究大疱性类天疱疮抗原2(BPAG2)在毛发周期不同阶段的表达情况及其对毛发生长和毛发周期的影响。