Recombinant Mouse Mesothelin Protein (C-6His)

Name: Recombinant Mouse Mesothelin Protein (C-6His)
Brand: Beta LifeScience
SKU: BL-1084NP
Availability: InStock

BL-1084NP: Greater than 95% as determined by reducing SDS-PAGE. (QC verified)

Collections: Antibody / cell therapy targets, Antibody therapeutic / adc target proteins, Car-nk targets proteins, Car-t cell therapy targets, Recombinant proteins

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Product Overview

Description	Recombinant Mouse Mesothelin is produced by our Mammalian expression system and the target gene encoding Asp298-Ser600 is expressed with a 6His tag at the C-terminus.
Accession	Q61468
Synonym	Mesothelin; Msln; Mes; Mpf
Gene Background	Mesothelin is derived from a 70 kDa precursor that also includes Megakaryocyte Potentiating Factor (MPF).The 70 kDa precursor is expressed on the cell surface where it is cleaved at a dibasic proteolytic site to release the 32 kDa glycosylated MPF. MPF is a cytokine that potentiates IL3 induced megakaryocyte colony formation. The term Mesothelin refers to the 40 kDa glycosylated protein which remains attached to the cell surface via a GPI linkage. Mesothelin is over expressed in several human tumors, including mesothelioma and ovarian and pancreatic adenocarcinoma. The interaction between mesothelin and MUC16 (also known as CA125) may facilitate the implantation and peritoneal spread of tumors by cell adhesion. The region (296-359) consisting of 64 amino acids at the N-terminal of cell surface mesothelin is the functional binding domain for MUC16. Mesothelin is a tumour differentiation antigen that is normally present on the mesothelial cells lining the pleura, peritoneum and pericardium. A soluble form of Mesothelin, with its GPI anchor intact, is released from tumor cells and binds to MMR/CD206 on macrophages.
Molecular Mass	35 KDa
Apmol Mass	38-55 KDa, reducing conditions
Formulation	Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4.
Endotoxin	Less than 0.1 ng/µg (1 EU/µg) as determined by LAL test.
Purity	Greater than 95% as determined by reducing SDS-PAGE. (QC verified)
Biological Activity	Biologically active. Please contact us to obtain bioactivity data.
Reconstitution	Always centrifuge tubes before opening. Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100μg/ml. Dissolve the lyophilized protein in distilled water. Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
Storage	Lyophilized protein should be stored at ≤ -20°C, stable for one year after receipt. Reconstituted protein solution can be stored at 2-8°C for 2-7 days. Aliquots of reconstituted samples are stable at ≤ -20°C for 3 months.
Shipping	The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature listed below.
Usage	For Research Use Only

Target Details

Target Function	Membrane-anchored forms may play a role in cellular adhesion.; Megakaryocyte-potentiating factor (MPF) may potentiate megakaryocyte colony formation.
Subcellular Location	Cell membrane; Lipid-anchor, GPI-anchor. Golgi apparatus.; [Megakaryocyte-potentiating factor]: Secreted.
Protein Families	Mesothelin family
Database References	KEGG: mmu:56047 STRING: 10090.ENSMUSP00000075279 UniGene: Mm.17510
Tissue Specificity	Highly expressed in lung and heart. Expressed at low levels in spleen, liver, kidney and testis. Present in lung (at protein level).

Gene Functions References

our findings show that Sulf-1 is an important tumor suppressor gene in hepatocellular carcinoma (HCC), and its over expression downregulates Msln and results in a decrease in HCC cell proliferation, migration, invasion, and lymphatic metastasis. PMID: 27626699
Mesothelin/mucin 16 signaling in activated portal fibroblasts regulates cholestatic liver fibrosis.( PMID: 28287406
Results show that mouse mesothelin is similar to human mesothelin. Its stable overexpression in a pancreatic cancer cell line did not increase cell proliferation, suggesting that mesothelin is not necessarily a tumor progression factor. PMID: 26931187
MSLN has an important role in the growth of lung cancer cells in vivo raising the possibility that inactivation of MPF may be a useful treatment for lung and other MSLN expressing cancers. PMID: 25118887
The mesothelin expression promotes resistance to certain chemotherapy drugs such as TNF-alpha, paclitaxel, and a combination of platinum and cyclophosphamide. PMID: 22721387
Mesothelin overexpression promotes mesothelioma cell invasion and MMP-9 secretion. PMID: 22371455
Data show that mesothelin is a potential target in reducing resistance to cytotoxic drugs, and mesothelin-treated cells revealed rapid tyrosine phosphorylation of the p85 subunit of PI3K. PMID: 19747165
binding of membrane-bound mesothelin to ovarian cancer antigen CA125 mediates heterotypic cell adhesion PMID: 14676194

FAQs

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.