@article{APS7561,
author = {Qiu-li Zhou and Ying-jie Guo and Li-juan Wang and Ying Wang and Yong-qiang Liu and Yan Wang and Ben-xiang Wang},
title = {Velvet antler polypeptides promoted proliferation of chondrocytes and osteoblast precursors and fracture healing},
journal = {Acta Pharmacologica Sinica},
volume = {20},
number = {3},
year = {2016},
keywords = {},
abstract = {AIM:
To study the effects of velvet antler (VA) total polypeptides (VATP) and VA polypeptides, VAP-A, VAP-B, and VAP-C on proliferation of chondrocytes and osteoblast precusors.
METHODS:
Chondrocytes (rabbit and human fetus) and osteoblast precusors (chick embryo) were incubated in the culture medium containing VATP or VAP-A, VAP-B, and VAP-C. [3H]TdR incorporation into DNA was measured. Fracture healing-promoting action of VATP was determined in rats.
RESULTS:
VATP 50-200 mg.L-1 and VAP-B 12.5, 25, and 50 mg.L-1 showed most marked proliferation-promoting activity for rabbit costed chondrocytes and increased incorporation of [3H]TdR from (73 +/- 9) Bq (control group) to (272 +/- 55), (327 +/- 38), and (415 +/- 32) Bq, respectively (P < 0.01). The activity of VAP-A was weaker than that of VAP-B, and VAP-C had no activity. VATP 10 and 20 mg.kg-1 by local injection into the cross-section fracture area accelerated healing of radial fracture. The healing rate of VATP-treated group was higher (75%) than that of control group (25%) (P < 0.05).
CONCLUSION:
VATP accelerated fracture healing by stimulating proliferation of chondrocytes and osteoblast precursors.},
issn = {1745-7254}, url = {http://www.chinaphar.com/article/view/7561}
}