Recombinant Human Mesothelin (aa 35-289) His-tag Protein, CF Summary
Additional Information |
N-Terminal/MPF |
Details of Functionality |
Bioassay data are not available. |
Source |
Mouse myeloma cell line, NS0-derived human Mesothelin protein Arg35-Leu289, with a C-terminal 6-His tag |
Accession # |
|
N-terminal Sequence |
Arg35
|
Structure / Form |
Monomer |
Protein/Peptide Type |
Recombinant Proteins |
Purity |
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining. |
Endotoxin Note |
<0.10 EU per 1 μg of the protein by the LAL method. |
Applications/Dilutions
Dilutions |
|
Theoretical MW |
28 kDa. Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors. |
SDS-PAGE |
27-39 kDa, reducing conditions
|
Packaging, Storage & Formulations
Storage |
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 3 months, -20 to -70 °C under sterile conditions after reconstitution.
|
Buffer |
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
|
Purity |
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining. |
Reconstitution Instructions |
Reconstitute at 500 μg/mL in PBS. |
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Recombinant Human Mesothelin (aa 35-289) His-tag Protein, CF
Background
Megakaryocyte-Potentiating
Factor (MPF), is derived from a 70 kDa Mesothelin precursor (1-3). The 70 kDa precursor is expressed on the cell
surface where it is cleaved at a dibasic furin cleavage site
between aa 288-293. The
cleavage releases soluble N-terminal MPF (aa 37-286) and C-terminal Mesothelin
(aa 296-606) remains attached to the cell
surface via a
GPI linkage. (3, 4). MPF is a
cytokine that potentiates IL-3 induced megakaryocyte colony formation (2, 5). This
recombinant human MPF shares 56% sequence identity with mouse and rat MPF. Apart
from its role as a megakaryocyte potentiating cytokine, MPF may have the
potential to serve as a biomarker for detection and monitoring of malignant mesothelioma
and related cancers (6).
- Hassan, R. et al. (2004) Clin. Cancer Res. 10:3937.
- Kojima, T. et al. (1995) J. Biol. Chem. 270:21984.
- Chang, K. and I. Pastan (1996) Proc. Natl. Acad. Sci. 93:136.
- Onda, M. et al. (2006) Clin. Cancer Res. 12:4225.
- Yamaguchi, N. et al. (1994) J. Biol. Chem. 269:805.
- Raiko, I. et al. (2017) Biochem. Biophy. Res. Com. 486:526.
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