Catalogue number
HOR-285
Synonyms
Follitropin, Follicle-stimulating hormone, FSH.
Introduction
Follicle stimulating hormone (FSH) is a hormone synthesised and secreted by gonadotropes in the anterior pituitary gland. FSH and LH act synergistically in reproductionIn women, in the ovary FSH stimulates the growth of immature Graafian follicles to maturation. As the follicle grows it releases inhibin, which shuts off the FSH production. In men, FSH enhances the production of androgen-binding proteinby the Sertoli cells of the testes and is critical for spermatogenesis. In both males and females, FSH stimulates the maturation of germ cells. In females, FSH initiates follicular growth, specifically affecting granulosa cells. With the concomitant rise in inhibin B FSH levels then decline in the late follicular phase. This seems to be critical in selecting only the most advanced follicle to proceed to ovulation. At the end of the luteal phase, there is a slight rise in FSH that seems to be of importance to start the next ovulatory cycle.Like its partner, LH, FSH releas
Description
FSH Porcine is a glycoprotein produced from pituitaries of porcine. The FSH is purified by proprietary chromatographic techniques.
Source
Porcine pituitaries.
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation
The FSH was lyophilized with no additives.
Solubility
It is recommended to reconstitute the lyophilizedporcine FSHin sterile 18M-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
Stability
Lyophilized porcine FSH although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution FSH-porcine should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
Specific Activity
Safety Data Sheet
Usage
ProSpec"s products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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。