Recombinant Mouse IGFBP-7 Protein (C-6His)

Name: Recombinant Mouse IGFBP-7 Protein (C-6His)
Brand: Beta LifeScience
SKU: BL-1175NP
Availability: InStock

BL-1175NP: Greater than 95% as determined by reducing SDS-PAGE. (QC verified)

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Product Overview

Description	Recombinant Mouse Insulin-like Growth Factor-binding Protein 7 is produced by our Mammalian expression system and the target gene encoding Ser26-Leu281 is expressed with a 6His tag at the C-terminus.
Accession	Q61581
Synonym	Insulin-like growth factor-binding protein 7;IGFBP7;IGF-binding protein 7;IGFBP-rP1;MAC25 protein;Tumor-derived adhesion factor;TAF
Gene Background	Insulin-like growth factor-binding protein 7(IGFBP-7) is a secreted glycosylated protein that contains three protein domain modules. IGFBP7 contains an N-terminal IGFBP domain, followed by a Kazal-type serine proteinase inhibitor domain and a C-terminal immunoglobulin-like C2-type domain. Human and mouse IGFBP7 are highly homologous and share 94% aa sequence identity. It is expressed in many normal tissues and in cancer cells. It is abundantly expressed in high endothelial venules (HEVs) of blood vessels in the secondary lymphoid tissues. It binds IGF and insulin with very low affinity and has been shown to enhance the mitogenic actions of IGF and insulin. IGFBP7 also has IGF/insulin-independent activities. It interacts with heparan sulfate proteoglycans, type IV collagen, and specific chemokines. It supports weak cell adhesion, promotes cell spreading on type IV collagen, and stimulates the production of the potent vasodilator PGI2. It modulates tumor cell growth and has also been implicated in angiogenesis.
Molecular Mass	27.2 KDa
Apmol Mass	32-35 KDa, reducing conditions
Formulation	Lyophilized from a 0.2 μm filtered solution of PBS, 150mM NaCl, 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	Not tested
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	Binds IGF-I and IGF-II with a relatively low affinity Stimulates prostacyclin (PGI2) production. Stimulates cell adhesion.
Subcellular Location	Secreted.
Database References	KEGG: mmu:29817 UniGene: PMID: 28619711 Study shows that IGFBP7 contributes significantly to mesenchymal stromal cells (MSC)-mediated immune modulation, as is shown by decreasing ability of IGFBP7 knockdown in MSCs to restore proliferation and cytokine production in T-cells. PMID: 27397633 data suggest that IGFBP-7 was up regulated during EAE and inhibit the transition from OPCs to mature OLs, implying its use as a potential therapeutic target for the treatment of inflammatory demyelinating diseases PMID: 25819415 Our data suggest that loss of Igfbp7 induces precocious involution possibly through diminished cell survival signals. PMID: 24505323 Angiomodulin is necessary for cardiac commitment of embryonic stem cells (ESCs) and its regulation depends on TAp63 isoform. PMID: 24145187 a model whereby IGFBP7 binds to unoccupied IGF1R and suppresses downstream signaling, thereby inhibiting protein synthesis, cell growth, and survival. PMID: 23250396 IGFBP7 has a novel role in mouse uterus: it is regulating uterine receptivity through Th1/Th2 lymphocyte balance and decidualization. PMID: 23028860 fear extinction-induced IGF2/IGFBP7 signalling promotes the survival of 17-19-day-old newborn hippocampal neurons PMID: 21873981 Results demonstrate that the vascular-specific marker angiomodulin (AGM) modulates vascular remodeling in part by temporizing the proangiogenic effects of VEGF-A. PMID: 19542015 study showed that IGFBP-rP1 (IGFBP7) was expressed in dysregulated podocytes in a human immunodeficiency virus-associated nephropathy model and in immature podocytes in the developing kidney; conclude that IGFBP-rP1 may be a product of injured podocytes PMID: 20630940 Mac25 interacts with the extracellular matrix proteins and glycosaminoglycans that are expressed in most blood vessels including high endothelial venules, as well as with chemokines implicated in regulation of lymphocyte trafficking, e.g., SLC and IP-10. PMID: 12847218 Proteolytic processing of mac25 modulates its insulin/IGF-1-dependent growth-stimulatory activity. PMID: 14521955 IGFBP-7 can regulate glioma cell migration through the AKT-ERK pathway, thereby playing an important role in glioma growth and migration PMID: 19048112

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.