Human Prolactin Receptor HEK293 Overexpression Lysate

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Human Prolactin Receptor HEK293 Overexpression Lysate: 製品の情報

製品の説明
This Human Prolactin Receptor overexpression lysate was created in HEK293 Cells and intented for use as a Western blot (WB) positive control. Purification of Prolactin Receptor protein (Cat: 10278-H08H) from the overexpression lysate was verified.
発現ホスト
HEK293 Cells
Human
タンパク質構築情報
A DNA sequence encoding the extracellular domain of human PRLR (NP_000940.1) (Met 1-Asp 234) was fused with a polyhistidine tag at the C-terminus.
分子量
The recombinant mature human PRLR consists of 221 amino acids after proteolytic removal of the signal peptide and predicts a molecular mass of 26 kDa. By SDS-PAGE under reducing conditions, it migrates as an approximately 36-38 kDa band due to glycosylation.

Human Prolactin Receptor HEK293 Overexpression Lysate: 用法

調製方法
Cell lysate was prepared by homogenization of the over-expressed cells in ice-cold modified RIPA Lysis Buffer with cocktail of protease inhibitors (Sigma). Cell debris was removed by centrifugation. Protein concentration was determined by Bradford assay (Bio-Rad protein assay, Microplate Standard assay). The cell lysate was boiled for 5 min in 1 x SDS loading buffer (50 mM Tris-HCl pH 6.8, 12.5% glycerol, 1% sodium dodecylsulfate, 0.01% bromophenol blue) containing 5% b-mercaptoethanol, and lyophilized.
溶解バッファー
Modified RIPA Lysis Buffer: 50 mM Tris-HCl pH 7.4, 150 mM NaCl, 1mM EDTA, 1% Triton X-100, 0.1% SDS, 1% Sodium deoxycholate, 1mM PMSF.
おすすめの用法
1.  Centrifuge the tube for a few seconds and ensure the pellet at the bottom of the tube. 2.  Re-dissolve the pellet using 200μL pure water and boil for 2-5 min.
バッファー
1 X Sample Buffer (1 X modified RIPA buffer+1 X SDS loading buffer).
安定性 & 保存条件
Store at 4℃ for up to twelve months from date of receipt. After re-dissolution, aliquot and store at -80℃ for up to twelve months. Avoid repeated freeze-thaw cycles.
アプリケーション
Western Blot (WB)
Optimal dilutions/concentrations should be determined by the end user.

Human Prolactin Receptor HEK293 Overexpression Lysate: 別名

Human HPRL Overexpression Lysate; Human hPRLrI Overexpression Lysate; Human MFAB Overexpression Lysate; Human PRLR Overexpression Lysate

Prolactin Receptor 背景情報

Prolactin receptor (PRLR) is a single-pass transmembrane receptor belonging to the type â… cytokine receptor superfamily, and contains two fibronectin type-â…¢ domains. All class 1 ligands activate their respective receptors by clustering mechanisms. Ligand binding results in the transmembrane PRLR dimerization, followed by phosphorylation and activation of the molecules invloved in the signaling pathways, such as Jak-STAT, Ras/Raf/MAPK. The PRLR contains no intrinsic tyrosine kinase cytoplasmic domain but associates with a cytoplasmic tyrosine kinase, JAK2. PRLR mainly serves as the receptor for the pituitary hormone prolactin (PRL), a secreted hormone that affects reproduction and homeostasis in vertebrates. PRLR can be regulated by an interplay of two different mechanisms, PRL or ovarian steroid hormones independently or in combination in a tissue-specific manner. The role of the hormone prolactin (PRL) in the pathogenesis of breast cancer is mediated by its cognate receptor (PRLR). Ubiquitin-dependent degradation of the PRLR that negatively regulates PRL signaling is triggered by PRL-mediated phosphorylation of PRLR on Ser349 followed by the recruitment of the beta-transducin repeats-containing protein (beta-TrCP) ubiquitin-protein isopeptide ligase. which altered PRLR stability may directly influence the pathogenesis of breast cancer.
完全な名称
prolactin receptor
参考文献
  • Bole-Feysot C, et al. (1998) Prolactin (PRL) and its receptor: actions, signal transduction pathways and phenotypes observed in PRL receptor knockout mice. Endocr Rev. 19(3): 225-68.
  • Goffin V, et al. (1999) From the molecular biology of prolactin and its receptor to the lessons learned from knockout mice models. Genet Anal. 15(3-5): 189-201.
  • Li Y, et al. (2006) Stabilization of prolactin receptor in breast cancer cells. Oncogene. 25(13): 1896-902.
  • Shao R, et al. (2008) Differences in prolactin receptor (PRLR) in mouse and human fallopian tubes: evidence for multiple regulatory mechanisms controlling PRLR isoform expression in mice. Biol Reprod. 79(4): 748-57.
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