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author:

Li, H. (Li, H..) [1] (Scholars:李昊) | Yan, S. (Yan, S..) [2] | Wang, Z. (Wang, Z..) [3] | Shen, X. (Shen, X..) [4] | Rao, P. (Rao, P..) [5]

Indexed by:

Scopus PKU CSCD

Abstract:

Objective: By bioinformatics method, the effect in hematopoietic system of bioactive peptide HP-6, which was obtained from donkey serum albumin and is one of the major protein components from donkey-hide gelatin, was investigated. Method: Human bone marrow nucleated cells (hBMNCs) and murine bone marrow stromal cells (mBMSCs) were separated and cultured with different concentration of peptide HP-6 (0.000 15,0.001 5,0.015,0. 15,1.5 μmol·L -1). The effect on promoting proliferation of cells related to hematopoiesis in bone morrow was detected and the ultrastructure of cells after treated by HP-6 was observed through transmission electron microscope. Hemorrhage anemia mouse model and anemia mouse model induced by cyclophosphamide were established, and randomly divided into peptide HP-6 groups which were administered respectively with different doses (1,0. 1,0.01 mg· kg -1) by gavage, and control group which was administered with PBS by gavage. Peripheral blood components of all mice and bone morrow cells (BMC) number of mice induced by cyclophosphamide were evaluated. Result: Peptide HP-6 could concentration-related promote the proliferation of hBMNCs and mBMSCs, hBMNCs got the highest reproduction rate of 152.11% and mBMSCs also got 63.52% with the concentration of 0.15 μmol·L -1, then the reproduction rate decreased while the concentration kept increasing. The transmission electron microscope showed that ultrastructure of cells was normal after treated by HP-6. 1 mg·kg -1 peptide HP-6 significandy increased peripheral platelet and protected mouse morrow injured by cyclophoshamide. 0.1 mg·kg -1 peptide HP-6 significantly increased peripheral platelet with relative growth rate of 77.65 %, increased peripheral white blood cells count and peripheral red blood cells count, also could protect mouse peripheral blood after treated by chemotherapeutics. Conclusion: Peptide HP-6 could promote the proliferation of cells related to hematopoietic system, enhance mouse hemopoiesis function and the resistance to chemotherapeutic injury.

Keyword:

Anemia; Animal model; Bioactive peptide; Donkey serum albumin; Donkey-hide gelatin

Community:

  • [ 1 ] [Li, H.]Institute of Biotechnology, Fuzhou University, Fuzhou 350002, China
  • [ 2 ] [Yan, S.]Institute of Biotechnology, Fuzhou University, Fuzhou 350002, China
  • [ 3 ] [Wang, Z.]Institute of Biotechnology, Fuzhou University, Fuzhou 350002, China
  • [ 4 ] [Shen, X.]Institute of Biotechnology, Fuzhou University, Fuzhou 350002, China
  • [ 5 ] [Rao, P.]Institute of Biotechnology, Fuzhou University, Fuzhou 350002, China

Reprint 's Address:

  • 李昊

    [Li, H.]Institute of Biotechnology, Fuzhou University, Fuzhou 350002, China

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Source :

Zhongguo Zhongyao Zazhi

ISSN: 1001-5302

Year: 2011

Issue: 16

Volume: 36

Page: 2259-2264

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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