| Application | Recommended Dilution |
|---|---|
| ELISA | 1:5000-1:50000 |
DLK1, also known as Protein delta homolog 1 or Fetal antigen 1 in its cleaved form, serves as a critical regulator of cellular differentiation and developmental processes. This transmembrane protein belongs to the epidermal growth factor-like family and plays essential roles in adipogenesis, neurogenesis, and hematopoiesis. DLK1 expression patterns make it a valuable marker in stem cell research, metabolic studies, and investigations of various developmental pathways, with particular relevance to understanding tissue regeneration and certain disease states where its expression becomes dysregulated.
This recombinant monoclonal antibody, clone 13F9, offers researchers the reproducibility and consistency that sequence-defined production provides. Unlike traditional hybridoma-derived antibodies, recombinant technology ensures that each lot delivers identical performance characteristics, eliminating the variability that can compromise longitudinal studies or multi-site collaborations. The human IgG1 isotype format and affinity-chromatography purification yield a highly specific reagent suitable for demanding quantitative applications.
Validation data demonstrates excellent binding activity against human DLK1, with functional ELISA testing revealing an EC50 range of 1.598–1.804 ng/mL when detecting immobilized human DLK1 protein at 2 μg/mL. This high sensitivity supports detection across a broad working dilution range of 1:5000 to 1:50000, providing flexibility for assay optimization while maintaining cost-effectiveness across multiple experiments.
Supplied in a glycerol-based PBS buffer with Proclin 300 preservative, this antibody is well-suited for researchers investigating stem cell biology, adipocyte differentiation, neuroendocrine function, or developmental signaling pathways where precise DLK1 detection is essential.
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