›› 2013, Vol. 40 ›› Issue (10): 1-5.

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Study on Expression of Insulin-like Growth Factor-binding Protein -3 and -5 (IGFBP-3 and IGFBP-5) in the Skin of Inner Mongolia Cashmere Goat

YU Xin-lei1, CAI Ting1, JU Hong-li1, YANG Hui-ru1, XIAO Hong-mei1, LIU Zhi-hong1, WANG Quan-xi2, WANG Zhi-xin1, LI Jin-quan1   

  1. 1. Inner Mongolia Key Laboratory of Animal Genetics, Breeding and Reproduction, Inner Mongolia Agricultural University, Hohhot 010018, China;
    2. Graduate School, Inner Mongolia Agricultural University, Hohhot 010018, China
  • Received:2013-02-26 Online:2013-10-20 Published:2013-12-19

Abstract: This experiment was conducted to study the expression effect of insulin-like growth factor-binding protein(IGFBP) of Inner Mongolia Cashmere goat skin in different developmental stage. The expression of IGFBP-1 to IGFBP-6 in different developmental stage of hair follicle cycle was measured by Real-time PCR. Furthermore, the hair growth cycle was changed by implanting melatonin to identify the role of IGFBP-1 to IGFBP-6 gene, the high expression of the binding protein. The results showed that IGFBP-3 and IGFBP-5 both were expressed in different developmental stage of hair follicle cycle, however, the expression of IGFBP-5 gene presented more regular. The results indicated that IGFBP-5 might be a major regulatory factor in the process of hair follicle development of Inner Mongolia Cashmere goat.

Key words: Inner Mongolia Cashmere goat; IGFBP-3; IGFBP-5; hair follicle cycle

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