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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
2-8度
- 保质期:
1年
- 英文名:
Placental Lactogen
- 库存:
999
- 供应商:
上海淳麦
- 规格:
/5ug/20ug/1mg
Recombinant Human Placental Lactogen
英文简称:
Placental Lactogen
中文名称:
重组人胎盘泌乳素
背景资料:
Placental Lactogen is a polypeptide hormone that is produced by the Syncytiotrophoblasts of the Placenta,also known as chorionic somatomammotropin. It has both Growth Hormone and Prolactin activities on growth,lactation,and luteal steroid production. In women,placental lactogen secretion begins soon after implantation and increases to 1 g or more a day in late pregnancy. Placental lactogen is also an insulin antagonist. Placental Lactogen Bovine is also capable of activating human and other heterologous GH receptors but not ruminat GH receptors.
产品描述:
人胎盘泌乳素重组蛋白是在大肠杆菌中重组表达的,是一条单链的多肽链,包含有199个氨基酸,并在N末端添加了一个额外的Ala氨基酸,分子量为22.4kDa.该人胎盘泌乳素重组蛋白最终由标准的色谱技术纯化出.
来源宿主:
大肠杆菌中重组表达
序列:
The sequence of the first six N-terminal amino acids was determined and was found to be Ala-Val-Gln-Thr-Val-Pro.
溶解建议:
提供的人胎盘泌乳素(Placental Lactogen)产品为过滤灭菌的白色冻干粉末;该冻干粉末是从含1mg/ml人胎盘泌乳素(Placental Lactogen)的0.02-0.03% NaHCO3溶液中冻干产生的.我们建议加无菌的水或0.4% NaHCO3(pH 8-9)以配制工作储存液到不低于100ug/ml,后继实验过程中可根据实验要求进一步稀释,建议添加载体蛋白.
保存建议:
人胎盘泌乳素(Placental Lactogen)在室温可保存3周,或置于-18℃冻存用于长期保存.重新溶解后可以在4℃冷藏保存至少2-7天;如果想延长保存时间,建议分装(加载体蛋白如0.1% HSA或 BSA)后置于-18℃冻存.请避免反复冻融.
其他简介:
ProSpec是一家全球著名细胞因子蛋白及相关抗体生产和研发品牌。ProSpec的生产和研发工厂位于以色列,专注于蛋白(重组及合成)生产研发,其独有的细菌和哺乳动物表达和蛋白折叠技术使其能在17年内成长为国际一流的科研级蛋白供应商。目前ProSpec可以提供细胞因子,生长因子,激素,信号蛋白,病毒抗原等近800种重组蛋白和100多种抗体,是世界上提供蛋白品种最多的公司之一,领先的生产工艺和规模使其可以提供毫克到克级蛋白,价格优于同类公司。绝大部分产品是天然成熟型蛋白,而不含有标签蛋白。考虑到大部分研究者希望能更灵活地配制蛋白溶液,ProSpec-Tany绝大部分产品没有添加保护剂或盐,这就对工艺提出了更高的要求。同时,ProSpec-Tany绝大部分产品为冻干粉,因此易于运输和保存。
上海淳麦生物为ProSpec国内代理销售经销商,详细的产品信息请和我们联系:免费热线:4006815880 微信电话 13770640776
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文献和实验Placental and Fetal Steroidogenesis
Steroid hormones are essential for maintenance of pregnancy and fetal development. The expression and catalytic activity of the key steroidogenic enzymes involved in the production of progesterone and estrogens increase during pregnancy
Analysis of Placental Regulation of Hematopoiesis
Placental hormones contribute to changes in maternal physiology, especially to changes in the blood system. Methods are described to express a placental hormone from a cloned cDNA by transfection into a mammalian cell line, to purify
In Vitro Methods for Studying Human Placental Amino Acid Transport: Placental Villous Fragments
A method is described for measuring amino acid uptake by the syncytiotrophoblast of the human placenta in vitro using taurine as an example. Small fragments of placental villous tissue (2–3 mm3 ) are tied to a comb that enables
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