Human Uteroglobin HEK293 Overexpression Lysate

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Human Uteroglobin HEK293 Overexpression Lysate: Product Information

Product Description
This Human Uteroglobin overexpression lysate was created in HEK293 Cells and intented for use as a Western blot (WB) positive control. Purification of Uteroglobin protein (Cat: 10808-H08H) from the overexpression lysate was verified.
Expression Host
HEK293 Cells
Species
Human
Sequence Information
A DNA sequence encoding the human SCGB1A1 (P11684) (Met 1-Asn 91) was expressed, with a C-terminal polyhistidine tag.
Molecule Mass
The recombinant human SCGB1A1 consists of 81 amino acids and migrates as a 9.2 kDa band as predicted in SDS-PAGE under reducing conditions.

Human Uteroglobin HEK293 Overexpression Lysate: Usage Guide

Preparation Method
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.
Lysis Buffer
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.
Recommend Usage
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.
Sample Buffer
1 X Sample Buffer (1 X modified RIPA buffer+1 X SDS loading buffer).
Stability & Storage
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.
Application
Western Blot (WB)
Optimal dilutions/concentrations should be determined by the end user.

Human Uteroglobin HEK293 Overexpression Lysate: Alternative Names

Human CC10 Overexpression Lysate; Human CC16 Overexpression Lysate; Human CCPBP Overexpression Lysate; Human CCSP Overexpression Lysate; Human UGB Overexpression Lysate; Human UP-1 Overexpression Lysate; Human UP1 Overexpression Lysate

Uteroglobin Background Information

Uteroglobin (UG), also known as Secretoglobin 1A member 1 (SCGB1A1), Blastokinin, Clara cell secretor protein (CCSP) or Clara cell-specific 1-kDa protein (CC1), is the founding member of the secretoglobin family of small, secreted, disulfide-bridged dimeric proteins found only in mammals. This protein is mainly expressed in lung, with anti-inflammatory/immunomodulatory properties. Previous in vitro studies demonstrated that CCAAT/enhancer-binding proteins (C/EBPs) are the major transcription factors for the regulation of SCGB1A1 gene expression, whereas FOXA1 had a minimum effect on the transcription. Uteroglobin is a multifunctional protein with antiinflammatory/immunomodulatory properties. Uteroglobin inhibits soluble phospholipase A(2) activity and binds and perhaps sequesters hydrophobic ligands such as progesterone, retinols, polychlorinated biphenyls, phospholipids, and prostaglandins. In addition to its antiinflammatory activities, Uteroglobin manifests antichemotactic, antiallergic, antitumorigenic, and embryonic growth-stimulatory activities. The tissue-specific expression of the Uteroglobin gene is regulated by several steroid hormones, although a nonsteroid hormone, prolactin, further augments its expression in the uterus. Based on its anti-inflammatory and antiallergic properties, Uteroglobin is a potential drug target. The mechanism of Uteroglobin action is likely to be even more complex as it also functions via a putative receptor-mediated pathway.
Full Name
secretoglobin, family 1A, member 1 (uteroglobin)
References
  • Mukherjee AB, et al. (1999). Uteroglobin: a novel cytokine? Cell Mol Life Sci. 55(5): 771-87.
  • Klug J, et al. (2000). Uteroglobin/Clara cell 10-kDa family of proteins: nomenclature committee report. Ann. N. Y. Acad. Sci. 923: 348-54.
  • Laukaitis CM, et al. (2005). Evolution of the secretoglobins: a genomic and proteomic view. Biological Journal of the Linnean Society. 84 (3): 493-501.
  • Mukherjee AB, et al. (2007). Uteroglobin: a steroid-inducible immunomodulatory protein that founded the Secretoglobin superfamily. Endocr Rev. 28(7): 707-25.
  • Kido T, et al. (2011). FOXA1 plays a role in regulating secretoglobin 1a1 expression in the absence of CCAAT/enhancer binding protein activities in lung in vivo. Am J Physiol Lung Cell Mol Physiol. 300(3): L441-52.
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