Next, the affinity matrix with bound fusion protein can be washed with a suitable wash buffer to remove unbound compounds and non-specifically bound compounds without significantly disrupting binding of specifically bound compounds. Tumor volume was calculated according to the formula a 2 xb, where a and b are the smallest and largest diameters, respectively. The cells were counted in five individual high-powered fields for each membrane under a light microscope. Phenotypic and functional characterization of EPCs. Numerous types of appropriate expression vectors and suitable regulatory sequences are known in the art for a variety of host cells. Section B, In certain aspects, the disclosure provides for the use of a polypeptide agent in the manufacture of medicament for the treatment of cancer or an angiogenesis related disorder, wherein the polypeptide agent is selected from the group consisting of: a a soluble polypeptide comprising an amino acid sequence of an extracellular domain of an EphB4 protein, wherein the EphB4 polypeptide is a monomer and binds specifically to an Ephrin B2 polypeptide; b a soluble polypeptide comprising an amino acid sequence of an extracellular domain of an Ephrin B2 protein, wherein the soluble Ephrin B2 polypeptide is a monomer and binds with high affinity to an EphB4 polypeptide; c an antibody which binds to an extracellular domain of an EphB4 protein and inhibits an activity ofthe EphB4; and d an antibody which binds to an extracellular domain of an Ephrin B2 protein and inhibits an activity ofthe Ephrin B2. Transfections were performed using Lipofectamine reagent Invitrogen according to the manufacturer's protocol. When the effect that AS had on the cell cycle was investigated, it was found that the sub GO fraction increased from 1.
Quality Reliable Recombinant Human EphB4 / HTK Protein (His tag) at
Target/Specificity, The synthetic protein used to generate the antibody APd was selected from the region of human EphB4. A 10 to fold molar excess to. EphB4 Protein, Mouse, Recombinant (His Tag) | SinoBiological, M08H In general, recombinant proteins are provided as lyophilized powder which are.
The aberrant activity of protein kinases has been implicated in the progression of A variant library of the EphB4 receptor tyrosine kinase.
Recombinant Human EPHB4 / EPH receptor B4 Protein, with His Tag, expressed from HEK
5 g/l Celtone base powder (15N, 98%; Cambridge Isotope Laboratories, Inc.).
The animals were cared for in accordance with institutional and NIH guidelines. Peroxidase activity was revealed by the diaminobenzidine Sigma cytochemical reaction. These compounds have been used as pharmaceutical agents in chemotherapy to shrink solid tumors, prevent metastases and further growth, or decrease the number of malignant cells in leukemic or bone marrow malignancies.
Phannaceutical compositions suitable for parenteral administration may comprise one or more polypeptide therapeutic agents in combination with one or more pharmaceutically acceptable sterile isotonic aqueous or nonaqueous solutions, dispersions, suspensions or emulsions, or sterile powders which maybe reconstituted into sterile injectable solutions or dispersions just prior to use, which may contain antioxidants, buffers, bacteriostats, solutes which render the formulation isotonic with the blood ofthe intended recipient or suspending or thickening agents.
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Addition ofthe proteins alone to the PC3 cells or preincubation ofthe cells with the proteins followed by changing media and adding the ligand does not affect EphB4 phosphorylation status.
Eph receptors have an extracellular domain composed ofthe ligand-binding globular domain, a cysteine rich region followed by a pair of fibronectin type III repeats e.
 Ephb4 protein powder |
Soluble EphB4 inhibited corneal neovascularization To further investigate the antiangiogenic activity of soluble EphB4 in vivo, we studied the inhibitory effect of adminisfration of soluble EphB4 on neovascularization in the mouse cornea induced by bFGF.
Genetic or cytogenetic events that initiate aberrant growth sustain cells in a prolonged "ready" state by preventing apoptosis. Eph receptors have an extracellular domain composed ofthe ligand-binding globular domain, a cysteine rich region followed by a pair of fibronectin type III repeats e. Until now, no intervention has proven to be curative, despite aggressive chemotherapeutic regimens and prolonged radiotherapy. Find articles by Ebrahimian, T. |
EPB4; Tyrosine-protein kinase receptor HTK; EPH receptor B4; HTK; Mdk2 kinase (PP, human) pY phosphopeptide - Powder PEAMB High quality recombinant EPH receptor B4, EPHB4,HTK, MYK1, TYRO11 of Human Reconsitution, Reconstitute lyophilized powder with water to no less than.
The soluble EphB4 polypeptides bind specifically to an EphrinB2 polypeptide. These results confirm co-expression of EphB4 and Ephrin B2 in mesothelioma cell lines.
We first examined the expression of EphB4 protein in a variety of prostate cancer cell lines by Western blot.
Quality Reliable Recombinant Human EphB4 / HTK Protein (His tag) at
Cell adhesion was quantified by measuring OD at nm. Example 4. Peroxidase activity was revealed by the diaminobenzidine Sigma cytochemical reaction. Therefore, polypeptide agents that downregulate EphB4 or EphrinB2 function may affect tumors by a direct effect on the tumor cells as well as an indirect effect on the angiogenic processes recruited by the tumor, h certain embodiments, the disclosure provides the identity of tumor types particularly suited to treatment with an agent that downregulates EphB4 or EphrinB2 function.
Bulk packages of recombinant proteins are. affinity isolated antibody, lyophilized powder. MDL number EPH receptor B4 is a protein-tyrosine kinase family that belongs to the ephrin receptor subfamily.
These compounds have been used as pharmaceutical agents in chemotherapy to shrink solid tumors, prevent metastases and further growth, or decrease the number of malignant cells in leukemic or bone marrow malignancies.
Protein addition effect IC 50 was assessed compared to untreated confrols by measuring the length of cords fomied and number ofjunctions.
No specific band for Ephrin B2 was observed in human embryonic kidney cells, which were included as a negative control.
EphB4 Protein, Mouse, Recombinant (His Tag) 义翘神州
On day 0, one plate was stained with 0. Specific bands for EphB4 were seen at kD. Specific signal for EphB4 was detected using antisense probe Ephrin B2 transcripts were also detected in the same cell line.
In certain aspects, functional variants or modified forms ofthe subject soluble polypeptides include fusion proteins having at least a portion ofthe soluble polypeptide and one or more fusion domains.
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