Screening of biological activities present in honeybee (Apis mellifera) royal jelly

被引:87
作者
Salazar-Olivo, LA
Paz-González, V
机构
[1] Inst Potosino Invest Cientif & Tecnol, Div Mol Biol, San Luis Potosi 78231, Mexico
[2] Univ Autonoma Queretaro, Ctr Univ Cerro Campanas, Queretaro 76010, Mexico
关键词
royal jelly; protein fractionation; in vitro bioassays;
D O I
10.1016/j.tiv.2005.03.001
中图分类号
R99 [毒物学(毒理学)];
学科分类号
100405 ;
摘要
Bioactivities present in three honeybee royal jelly (RJ) protein fractions Were screened for diverse in vitro model systems. RJCP, a RJ crude protein extract, stimulated cell growth of Tn-5B1-4 insect cells inducing 6.5 population doublings per mg of protein added to culture medium, meanwhile fetal bovine serum, the usual growth supplement, gave rise only to 2.55 population doublings. RJCP, as well as the fractions RJP(30) and RJP(60) obtained by precipitation with ammonium sulfate, also affected Tn-5B14 cell shape and stimulated adhesion of these cells to the substrate. RJP30 also increased the percent of mature adipocytes in cultures of 3T3-F442A murine preadipocytes twofold with respect to insulin treatment, without inducing additional cell growth of confluent preadipocytes. Fractions RJCP and RJP60 showed similar capacity as that of insulin to stimulate the formation of mature 3T3 adipocytes. Fraction RJP(30) also was cytotoxic for HeLa human cervicouterine carcinoma cells, diminishing 2.5-fold the initial cell density after seven days of treatment. Our results show the presence of diverse bioactivities in RJ affecting cell growth, cell differentiation and cell survival of insect, murine, and human cancer cells. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:645 / 651
页数:7
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