Mouse Thrombopoietin HEK293 Overexpression Lysate

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Mouse Thrombopoietin HEK293 Overexpression Lysate: Product Information

Product Description
This Mouse Thrombopoietin overexpression lysate was created in HEK293 Cells and intented for use as a Western blot (WB) positive control. Purification of Thrombopoietin protein (Cat: 50146-M08H) from the overexpression lysate was verified.
Expression Host
HEK293 Cells
Species
Mouse
Sequence Information
A DNA sequence encoding the mouse THPO (NP_033405.1) precursor (Met 1-Thr 356) with a N-terminal polyhistidine tag was expressed.
Molecule Mass
The recombinant mouse THPO consists of 346 amino acids with the predicted molecular mass of 37 kDa. As a result of glycosylation, rmTHPO migrates as an approximately 80-90 kDa band in SDS-PAGE under reducing conditions.

Mouse Thrombopoietin 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.

Mouse Thrombopoietin HEK293 Overexpression Lysate: Alternative Names

Mouse Mgdf Overexpression Lysate; Mouse Ml Overexpression Lysate; Mouse Mpllg Overexpression Lysate; Mouse Tpo Overexpression Lysate

Thrombopoietin Background Information

Thrombopoietin (TPO or THPO), also known as myeloproliferative leukemia virus ligand (c-Mpl), is a hematopoietic growth factor belonging to the EPO/TPO family. The thrombopoietin protein is produced mainly by the liver and the kidney that regulates the production of platelets by the bone marrow. Thrombopoietin protein stimulates both proliferation of progenitor megakaryocytes and their maturation to platelet-producing megakaryocytes, and also accelerates the recovery of platelets. Thrombopoietin protein is involved in cardiovascular disease as it regulates megakaryocyte development and enhances platelet adhesion/aggregation. It has been identified that surface c-MPL, the receptor for thrombopoietin protein, binds to the ligand and mediates the action.
Full Name
thrombopoietin
References
  • Ryu T,et al.(2003) Thrombopoietin-producing hepatocellular carcinoma. Intern Med. 42(8): 730-4.
  • Higashihara M,et al. (2003) Thrombopoietin-producing tumor. Intern Med. 42(8): 632-3?
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