Overview:
Monocytes are the main source of secreted IL1; expressing mostly IL1B, while human keratinocytes express large amounts of IL1A. Overall, IL1B is the predominant form in humans while, IL1A is the one in mice. Both isoforms of IL1 bind to the same receptor and therefore show similar, if not identical, biological activities. The IL1B precursor though must be processed before it can bind to the receptor. IL1 proteins are involved in the inflammatory response, being identified as endogenous pyrogens, and are reported to stimulate the release of prostaglandin and collagenase from synovial cells. A monomer, IL1B stimulates thymocyte proliferation, B-cell maturation and proliferation and fibroblast growth factor activity.
Gene Aliases:
Catabolin, Lymphocyte-activating factor, LAF, Endogenous Pyrogen, EP, IL1F2, Recombinant Human Interleukin-1 Beta (IL1B)
Genbank Number:
P01584
ebiomall.com
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多谢……
各位大侠:小弟最近做个长片段的CDNA与T载体的连接,片段大小6.4K,载体选用的是pUC19和pGEMT-easy,反转录酶用的是RevertAidTirstStrandcDNASynthesisKit(#K1621),CDNA第二链的扩增用的是LATaq。我是用纯病毒的RNA做模板,操作步骤严格按照说明做的,也曾经有一次获得过电泳图清晰显示的是全长6.4KB左右的片段,与载体连接,结果筛选到的几个克隆,插入的片段仅有2KB左右,奈何?可最近几次再用此反转录试剂盒却不能得到所需片段。在此,小弟想问问大家,你们是否遇到同样的问题,是如何解决的?所用的试剂(载体和酶的选择)和方法是什么,可以告诉后来者,共同进步吧。

