首页> 外国专利> CONTRACEPTIVE PEPTIDES DERIVED FROM THE VENOM OF THE SPIDER Latrodectus mirabilis, NUCLEOTIDE SEQUENCES TO TRANSFORM A MICROORGANISM TO PRODUCE SAID PEPTIDES; METHODS TO OBTAIN THE PEPTIDES; PHARMACEUTICAL COMPOSITIONS CONTAINING THEREOF AND USE THEREOF

CONTRACEPTIVE PEPTIDES DERIVED FROM THE VENOM OF THE SPIDER Latrodectus mirabilis, NUCLEOTIDE SEQUENCES TO TRANSFORM A MICROORGANISM TO PRODUCE SAID PEPTIDES; METHODS TO OBTAIN THE PEPTIDES; PHARMACEUTICAL COMPOSITIONS CONTAINING THEREOF AND USE THEREOF

机译:从蜘蛛蜘蛛的毒液中提取的避孕肽,将核苷酸序列转化为微生物以生产所述肽;获取肽的方法;包含其的药物组合物和使用方法

摘要

The present invention is directed to an active agent with contraceptive properties. Said active agent corresponds to a molecular fraction of the venom from the spider Latrodectus mirabilis. The active agent is a peptide with a sequence according to SEQ ID NO 1 or sequences that are at least 85% similar, obtained by chemical synthesis or through recombinant DNA technologies. In a preferred embodiment, the active agent with contraceptive properties is a peptide with 10 to 30 amino acids, preferably 20 amino acids. Said embodiment is exemplified by the sequence identified as SEQ ID NO 2 or sequences that are at least 85% similar, obtained by chemical synthesis or through recombinant DNA technologies.;Furthermore, a method to obtain the contraceptive peptide is disclosed, said method comprising cloning the nucleotide sequence in a microorganism. A pharmaceutical contraceptive composition comprising at least one peptide according to the abovementioned description and one or more pharmaceutically acceptable vehicles is also described. And finally, the use of the peptide to prepare a pharmacological composition useful as a contraceptive agent, as a spermicide, is disclosed.
机译:本发明涉及具有避孕性能的活性剂。所述活性剂对应于来自蜘蛛 Latrodectus mirabilis 的毒液的分子级分。活性剂是通过化学合成或通过重组DNA技术获得的具有根据SEQ ID NO 1的序列或至少85%相似的序列的肽。在一个优选的实施方案中,具有避孕特性的活性剂是具有10至30个氨基酸,优选20个氨基酸的肽。所述实施方案以通过化学合成或通过重组DNA技术获得的,鉴定为SEQ ID NO 2的序列或至少85%相似的序列为例。此外,公开了一种获得避孕肽的方法,所述方法包括克隆微生物中的核苷酸序列。还描述了一种药物避孕组合物,其包含至少一种根据上述描述的肽和一种或多种药学上可接受的媒介物。最后,公开了该肽在制备用作避孕剂,杀精子剂的药理组合物中的用途。

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