| Application | Recommended Dilution |
|---|---|
| IF | 1:50-1:200 |
GRB2 serves as a critical adaptor protein in cellular signal transduction, functioning as a molecular bridge that connects activated receptor tyrosine kinases to downstream signaling cascades. Through its characteristic SH2 and SH3 domains, GRB2 facilitates the recruitment of SOS to activated receptors, initiating the Ras-MAPK pathway that governs fundamental cellular processes including proliferation, differentiation, and survival. This central positioning in growth factor signaling networks makes GRB2 an essential target for researchers investigating oncogenic signaling, developmental biology, and therapeutic intervention strategies.
This recombinant monoclonal antibody against human GRB2 offers the reproducibility and consistency that demanding experimental workflows require. Developed using recombinant technology with clone 15G1, this antibody provides a sequence-defined reagent that eliminates the lot-to-lot variability often encountered with traditional hybridoma-derived antibodies. The human IgG1 isotype format, combined with affinity chromatography purification, ensures high specificity for your target while minimizing background interference.
Validation through immunofluorescence microscopy demonstrates reliable detection of endogenous GRB2 in human cell lines, with successful staining confirmed in both HeLa and HepG2 cells at dilutions of 1:30. These validation experiments employed standard fixation and permeabilization protocols, providing researchers with established starting conditions for their own optimization. The antibody is also suitable for ELISA applications, with recommended immunofluorescence dilutions ranging from 1:50 to 1:200 depending on your specific experimental conditions.
For investigators exploring receptor tyrosine kinase signaling, MAPK pathway regulation, or the molecular mechanisms underlying growth factor responses, this GRB2 antibody provides a dependable tool for visualizing this essential signaling node in human cellular systems.
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